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NUMBERSLEUTH
On the television game show Let’s Make a Deal, Monty Hall, the show’s best known host, used to present contestants with the following situation: the contestant would be presented with three doors behind one of which was a big prize (say a brand new car).Behind the other two doors was a small prize (say $100 in cash). The contestant got to choose one of these doors. GUNS IN THE UNITED STATES Embed this infographic on your site! The editors at NumberSleuth.org decided to research the topic of:. Guns in America: The impact of having more guns in society. Americans lead the world in gun ownership, and what is the actual impact on society of more guns? GOEDEL’S THEOREM FOR DUMMIES When people refer to “Goedel’s Theorem” (singular, not plural), they mean the incompleteness theorem that he proved and published in 1931. Kurt Goedel, the Austrian mathematician, actually proved quite a few other theorems, including a completeness theorem for first-order logic. But the incompleteness theorem is the one for which he is RISE OF THE NEW LINKEDIN: BY THE NUMBERS Share this graphic on your site! Rise of the New LinkedIn: By the Numbers. You used to only check LinkedIn for job listings every few months—so why are working professionals suddenly spending hours onit every week.
AMERICANS AT WORK: THE BEST AND WORST JOBS Share this infographic on your site! Americans at Work: The Best and Worst Jobs. Most Americans spend more time on the job than they do onanything else.
LESSON OF THE MONTY HALL PROBLEM On the television game show Let’s Make a Deal, Monty Hall, the show’s best known host, used to present contestants with the following situation: the contestant would be presented with three doors behind one of which was a big prize (say a brand new car).Behind the other two doors was a small prize (say $100 in cash). The contestant got to choose one of these doors.NUMBERSLEUTH
On the television game show Let’s Make a Deal, Monty Hall, the show’s best known host, used to present contestants with the following situation: the contestant would be presented with three doors behind one of which was a big prize (say a brand new car). WWW.NUMBERSLEUTH.ORG 301 Moved Permanently. nginx A WORLD WITHOUT THE POST OFFICE After a plan by the post office to end most Saturday mail delivery, a proposed federal budget mandated six-day delivery, despite post office officials’ contention that the. independent federal agency needs to trim costs. With steadily declining revenue, the specter of a world. without the U.S. Postal Service becomes more plausible each year.NUMBERSLEUTH
On the television game show Let’s Make a Deal, Monty Hall, the show’s best known host, used to present contestants with the following situation: the contestant would be presented with three doors behind one of which was a big prize (say a brand new car).Behind the other two doors was a small prize (say $100 in cash). The contestant got to choose one of these doors. GUNS IN THE UNITED STATES Embed this infographic on your site! The editors at NumberSleuth.org decided to research the topic of:. Guns in America: The impact of having more guns in society. Americans lead the world in gun ownership, and what is the actual impact on society of more guns? GOEDEL’S THEOREM FOR DUMMIES When people refer to “Goedel’s Theorem” (singular, not plural), they mean the incompleteness theorem that he proved and published in 1931. Kurt Goedel, the Austrian mathematician, actually proved quite a few other theorems, including a completeness theorem for first-order logic. But the incompleteness theorem is the one for which he is RISE OF THE NEW LINKEDIN: BY THE NUMBERS Share this graphic on your site! Rise of the New LinkedIn: By the Numbers. You used to only check LinkedIn for job listings every few months—so why are working professionals suddenly spending hours onit every week.
AMERICANS AT WORK: THE BEST AND WORST JOBS Share this infographic on your site! Americans at Work: The Best and Worst Jobs. Most Americans spend more time on the job than they do onanything else.
LESSON OF THE MONTY HALL PROBLEM On the television game show Let’s Make a Deal, Monty Hall, the show’s best known host, used to present contestants with the following situation: the contestant would be presented with three doors behind one of which was a big prize (say a brand new car).Behind the other two doors was a small prize (say $100 in cash). The contestant got to choose one of these doors.NUMBERSLEUTH
On the television game show Let’s Make a Deal, Monty Hall, the show’s best known host, used to present contestants with the following situation: the contestant would be presented with three doors behind one of which was a big prize (say a brand new car). WWW.NUMBERSLEUTH.ORG 301 Moved Permanently. nginx A WORLD WITHOUT THE POST OFFICE After a plan by the post office to end most Saturday mail delivery, a proposed federal budget mandated six-day delivery, despite post office officials’ contention that the. independent federal agency needs to trim costs. With steadily declining revenue, the specter of a world. without the U.S. Postal Service becomes more plausible each year. RISE OF THE NEW LINKEDIN: BY THE NUMBERS Share this graphic on your site! Rise of the New LinkedIn: By the Numbers. You used to only check LinkedIn for job listings every few months—so why are working professionals suddenly spending hours onit every week.
GUNS IN THE UNITED STATES Embed this infographic on your site! The editors at NumberSleuth.org decided to research the topic of:. Guns in America: The impact of having more guns in society. Americans lead the world in gun ownership, and what is the actual impact on society of more guns? A WORLD WITHOUT THE POST OFFICE After a plan by the post office to end most Saturday mail delivery, a proposed federal budget mandated six-day delivery, despite post office officials’ contention that the. independent federal agency needs to trim costs. With steadily declining revenue, the specter of a world. without the U.S. Postal Service becomes more plausible each year. THE AMAZING HISTORY OF INFORMATION STORAGE: HOW SMALL HAS To sum up, in 1956, a 5-megabyte IBM hard drive weighed over a ton, or roughly 1,000 kilograms. In other words, that hard drive stored information at a density of 5 bytes per gram. In 2009, Stanford researchers were able to store information at a density of 35 bits per electron, or roughly 4 WWW.NUMBERSLEUTH.ORG 301 Moved Permanently. nginxSkip to the content
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LESSON OF THE MONTY HALL PROBLEM * Post author By helpdesk * Post date January 30, 2020 On the television game show _Let’s Make a Deal_, Monty Hall, the show’s best known host, used to present contestants with the following situation: the contestant would be presented with three doors behind one of which was a big prize (say a brand new car). Behind the other two doors was a small prize (say $100 in cash). The contestant got to choose one of these doors. If the contestant chose the correct door (i.e., the one with the big prize), she could keepit.
But to make things interesting, after the contestant chose a door, Monty Hall would open one of the other two doors, making sure that it was one with a small prize ($100 in cash). Hall could always find such a door because only one had a big prize and the other two had small prizes—so there would always be such a door regardless of whether the contestant chose the correct door. Now, after Hall opened a door with a small prize, he gave the contestant the following option: she could stay with her initial choice of doors or switch to the other unopened door. Once she decided whether to stay or switch, all doors would be opened and the contestant would only receive the big prize if it was behind the door she had finally settled on. So the Monty Hall problem is this: should she stay with her original door or switch? There’s been a huge amount written on this problem and many smart people, when initially presented with it, think it doesn’t matter whether the contestant stays with her initial door or switches. Regardless of the contestant’s choice of doors, they reason, Hall knows what’s behind all three doors and can always open one with a small prize behind it. People seem psychologically programmed to think it doesn’t matter whether to stay or switch doors. And yet, it turns out that switching rather than staying with one’s initial door is a much more effective strategy for winning the big prize. Indeed, by switching you increase your chances of winning the big prize from 1/3 to 2/3. Why is this? Think of it this way: Initially you know nothing about which door has the big prize behind it. You’re probability of getting the big prize is therefore 1/3. Moreover, if your strategy is to stay with your initial choice, your probability doesn’t change—in that case, it doesn’t matter whether Hall subsequently opens one of the doors. But now think of what happens when you switch. Initially you had a 1/3 probability of choosing the right door. If you did happen to choose the right door initially, now switching loses you the big prize. So you now have a probability of 1/3 of not getting the big prize. But that means your probability of getting the big prize, by switching, is now 2/3. It’s gone up! In a sense, with the switching strategy, you hope that your initial choice is wrong so that by switching you get it right. But initially, your chance of getting it right is only 1/3 and getting it wrong is 2/3. By switching, your chance of success is the same as getting it initially wrong, so your probability of getting it right has gone up to 2/3. Hence, if you ever appear as a contestant on _Let’s Make a Deal_, choose the switching strategy. Of course, it’s unlikely that you’ll ever appear on _Let’s Make a Deal_. So what’s the take-home lesson from the Monty Hall problem that you can apply to your life? It’s this: whenever there’s some event that’s important to you and you get new information about it, this new information can change the event’s probability or perhaps even prompt a course of action on your part that changes the event’sprobability.
If it’s an event you want to avoid, then you’ll want to bring the probability down. If it’s an event you want to have happen (as in winning the big prize), then you’ll want to bring the probability up. In any case, you’ll want to do the probability calculation and see precisely how the probability has changed in light of the newinformation.
The Monty Hall problem is counterintuitive in that people’s first reaction tends to be that it doesn’t really matter whether to switch or stay with one’s initial choice. In these situations, it’s therefore not enough trust one’s intuitions. One needs, rather, to get out paper and pencil and do the calculation. Even extensive training in statistics tends not to hone our intuitions in situations like the Monty Hall problem. Indeed, trained statisticians do no better than the rest of us until they apply their training and calculate the precise probabilities in question. The Monty Hall problem thus shows how our intuitions can mislead us and how mathematics can correct those intuitions.—–
REFERENCES:
Edward J. Barbeau, _Mathematical Fallacies, Flaws and Flimflam_ (Washington, DC: The Mathematical Association of America,2000), 86–90.
Amos Tversky and Daniel Kahneman, “Judgment under uncertainty: Heuristics and biases,”
Science 185 (1974): 1124–1131. -------------------------Categories
Trends
GOEDEL’S THEOREM FOR DUMMIES * Post author By helpdesk * Post date January 30, 2020 When people refer to “Goedel’s Theorem” (singular, not plural), they mean the incompleteness theorem that he proved and published in 1931. Kurt Goedel, the Austrian mathematician, actually proved quite a few other theorems, including a completeness theorem for first-order logic. But the incompleteness theorem is the one for which he is mostfamous.
To get some sense of the impact of Goedel’s Theorem on the mathematical community, consider how Herman Weyl, perhaps the greatest mathematician of the first half of the twentieth century, reacted to it. According to Weyl, up until Goedel’s Theorem, mathematicians were optimistic that all questions in mathematics could be definitively answered either one way or another (see his contribution to Oldenbourg’s _Handbook of Philosophy_). Thus, for any mathematical claim, they thought a proof of either it or its negation exists. Goedel’s Theorem showed that this was not the case. Take the famous Goldbach Conjecture, which states that any even number greater than 2 can be written as the sum of two prime numbers (prime numbers are divisible only by themselves and one). To date, mathematicians have been able to find such a pair of prime numbers for any even number greater than 2 that they’ve considered. But they have not been able to prove that this result holds for all evennumbers.
Perhaps the Goldbach’s Conjecture is false. But to show that, we would have to produce an even number greater than two that is not the sum of prime numbers. Perhaps it is true. In that case we’ll never find an even number greater than two that is not the sum of two prime numbers, but to actually prove this we cannot simply run through all even numbers, showing that the result holds in each case—that would require checking an infinite number of cases, and proofs in mathematics, some of which are thousands of pages long, nonetheless always consist of a finite number of steps. What, then, about Goldbach’s Conjecture—does it or its negation admit a strict proof? Prior to Goedel’s Theorem, mathematicians thought that it did. Afterward, they could no longer be sure. Afterward, it might be that Goldbach’s Conjecture or its negation could be proved. But it could also be that Goldbach’s Conjecture was true but not provable. Or it might be false, but its falsehood was notprovable.
Goedel’s Theorem shows that mathematical truth and mathematical proof are not the same thing (if they were, Goedel’s Theorem would have been a completeness theorem demonstrating the identity of mathematical truth and proof). Truth is about the way things are; proof is about what we can know to be true. Goedel’s Theorem shows us that there are many claims in mathematics that are true but whose truth we cannot know, at least not by mathematical proof (perhaps God can simply tell us that the claim is true, in which case we might have good reason to believe it, but we still wouldn’t know that it is true in the conventional mathematical sense of having a proof). In mathematics, we consider ourselves as knowing the axioms of a given mathematical theory—these are usually taken to be self-evident truths and they form a manageable set in the sense that we know whether any claim is or isn’t an axiom. Besides the axioms, we also consider ourselves as knowing the claims that follow via the rules of logic from those axioms. The axioms and their logical consequences are the claims that we can prove. Goedel’s Theorem states that there are always truths that are not knowable in this sense. Now one might say, well, if there are such truths, why don’t we just add them to our axioms. If we keep doing this, maybe we can render all mathematical truths provable in that way. But this strategy doesn’t work because Goedel’s Theorem shows that every time we add a new axiom, there’s a new “Goedel Sentence” that is true but not provable from the new axiom system. The key to proving Goedel’s Theorem is constructing what has come to be called a Goedel Sentence, which asserts (and the assertion is provably true!) that it is not provable within the axiom system under consideration. The Goedel Sentence is a self-referential statement, much like “This sentence is false.” By accurately asserting of itself that it is not provable, it ends up being true but not provable. This is a mindbender, but it works, and it shows that there will always be true mathematical statements that we cannot prove. This is the upshot of Goedel’s Theorem. -------------------------Categories
Trends
AMERICANS AT WORK: THE BEST AND WORST JOBS * Post author By helpdesk * Post date January 30, 2020 SHARE THIS INFOGRAPHIC ON YOUR SITE! AMERICANS AT WORK: THE BEST AND WORST JOBS Most Americans spend more time on the job than they do on anythingelse.
FACTS:
The average employee spends more than 2/3 of his or her day at work or on work-related activities. That’s more time than we spend sleeping or raising our children. Americans work an average of nearly one month more per year now thanin 1970.
In 1960, only 20 percent of mothers worked. Today, in 70 percent of American households all adults work. AMERICA VS. THE WORLD: * Americans work 137 more hours per year than Japanese workers * 260 more hours per year than British workers * 499 more hours per year than French workers * Average productivity for American workers has increased 400% since1950
* In every country included except Canada and Japan (and the U.S., which averages 13 days/per year), workers get at least 20 paid vacation days. In France and Finland, they get 30 – an entire month off, paid, every year. So it matters what you do… doesn’t it? Because Americans work somuch….
Here are the 10 Best AND 10 Worst Jobs in America, 2013 (with mediansalaries)
10 BEST JOBS
#1 ACTUARY:
Salary: $91,211
Projected Job Growth: 27% Unemployment rate: 0 What’s good: Job security, challenging, evolving job What’s bad: Some consider it a lonely and boring job #2 BIOMEDICAL ENGINEER Median Salary (as of 2010): $85,163 Projected Job Growth: 62% Unemployment rate: 0.4% What’s good: Healthcare a growing field What’s bad: You will be a jack of all trades, master of none #3 SOFTWARE ENGINEERSalary: $89,147
Projected Job Growth: 30 % Unemployment rate: 2.2% What’s good: Companies need software engineers What’s bad: Pressure job#4 AUDIOLOGIST
Salary: $68,135
Projected Job Growth: 37% Unemployment rate: .4% What’s good: Hearing aid technology improving What’s bad: Very stressful #5 FINANCIAL PLANNERSalary: $64,750
Projected Job Growth: 32% Unemployment rate: 2.4% What’s good: Retiring baby boomers will need assistance What’s bad: Stressful, at the mercy of the ups and downs of thestock market
#6 DENTAL HYGIENIST
Salary: $68,250
Projected Job Growth: 38% Unemployment rate: .9% What’s good: Opportunities in the field are abundant What’s bad: Requires competitive tasks #7 OCCUPATIONAL THERAPISTSalary: $72,320
Projected Job Growth: 33% Unemployment rate: .5% What’s good: Increasingly caters to the aging boomer population What’s bad: They cannot fully help someone recover from an injury#8 OPTOMETRIST
Salary: $94,990
Projected Job Growth: 33% Unemployment rate: .3% What’s good: Opportunities with aging boomer population What’s bad: Repetitive job, no career progression #9 PHYSICAL THERAPISTSalary: $76,310
Projected Job Growth: 39% Unemployment rate: 1.8% What’s good: Opportunities abound with older generations What’s bad: Graduate education needed, licenses need to be renewedevery two years
#10 COMPUTER SYSTEMS ANALYSTSalary: $77,740
Projected Job Growth: 22% Unemployment rate: 3.2% What’s good: Network administration is a critical component ofbusiness practices
What’s bad: Sitting at a desk all day watching monitors…if that’s OK with you, this is not a bad thing. 10 WORST JOBS IN AMERICA #1 NEWSPAPER REPORTERSalary: $36,000
Projected Job Growth: -6% (minus 6 percent) Unemployment rate: 7.7% What’s good: Informing the public What’s bad: high stress, low pay, jobs disappearing#2 LUMBERJACK
Salary: $32,870
Projected Job Growth: 4% Unemployment rate: high (no accurate figures available) What’s good: The great outdoors What’s bad: Danger of working with heavy machinery in remotelocations
#3 ENLISTED MILITARY PERSONNEL Salary: $41,998 (eight years experience) Projected Job Growth: Varies Unemployment rate: 0 What’s good: Serving your country What’s bad: High stress, dangerous situations#4 ACTOR
Salary: $17.44 an hour Projected Job Growth: 4% Unemployment rate: 8.6% What’s good: It’s a calling, and if you make it big…. What’s bad: Very competitive, high stress#5 OIL RIG WORKER
Salary: $37,640
Projected Job Growth: 8% Unemployment rate: 3.5 %, if you include the boomtowns in North Dakota What’s good: Growth area in natural gas What’s bad: Isolated at sea, long hours#6 DAIRY FARMER
Salary: $60,750
Projected Job Growth: -8% Unemployment rate: 15.9% What’s good: Independence, producing a product people need What’s bad: Smaller farmers being forced out of business#7 METER READER
Salary: $36,400
Projected Job Growth: -10% Unemployment rate: 9% What’s good: Outdoors work What’s bad: Declining profession due to remote reading#8 MAIL CARRIER
Salary: $53,090
Projected Job Growth: -26% Unemployment rate: about 14% What’s good: While USPS jobs shrinking, UPS jobs still available What’s bad: Job becoming obsolete#9 ROOFER
Salary: $34,220
Projected Job Growth: 18% Unemployment rate: 14% What’s good: Outdoors work appealing to some people What’s bad: Long hours spent in heat or cold. Work is cyclical. #10 FLIGHT ATTENDANTSalary: $37,740
Projected Job Growth: 0 Unemployment rate: 4.5% What’s good: See the world What’s bad: High stress, shrinking job market BONUS: 5 BEST JOBS FOR PEOPLE WHO HATE (WORKING WITH OTHER) PEOPLEACCOUNTANT
Job prospects through 2018: 22 percent increase according to Bureau ofLabor Statistics.
Average Salary for Accountants/Auditors: $59,430*COMPUTER PROGRAMMER
Good News: Job opportunities are expected to soar 22 percent through2018.
Average Salary for Computer Programmers: $69,620* FORENSIC SCIENCE TECHNICIAN Good News: expected to grow 20 percent through 2018. Average Pay for Forensic Science Technicians: $23.97/hour*BUDGET ANALYST
Good News: 15 percent increase in jobs predicted through 2018 Average Salary for Budget Analysts: $65,320*ACTUARY
Good News: Employment expected to jump 21 percent through 2018. Average Salary for Actuaries: $84,810*SOURCES:
* http://www.bls.gov/tus/charts/ * http://abcnews.go.com/US/story?id=93604&page=1*
http://www.wisdomandwonder.com/article/4120/what-is-so-bad-about-being-an-actuary * http://education.yahoo.net/articles/jobs_for_haters.htm * All job prospect figures courtesy of Bureau of Labor Statistics -------------------------Categories
Trends
A WORLD WITHOUT THE POST OFFICE * Post author By helpdesk * Post date January 30, 2020 SHARE THIS INFOGRAPHIC ON YOUR SITE! A WORLD WITHOUT THE POST OFFICE The U.S. Postal Service, one of the few government agencies explicitly authorized by the U.S. Constitution, has seen better days. After a plan by the post office to end most Saturday mail delivery, a proposed federal budget mandated six-day delivery, despite post office officials’ contention that the independent federal agency needs to trim costs. With steadily declining revenue, the specter of a world without the U.S. Postal Service becomes more plausible each year. THE SIZE AND REACH OF THE POST OFFICE:31,272
Postal Service-managed retail offices212,530
Vehicles, one of the largest civilian fleets in the world1.3 billion
Miles driven each year by letter carriers and truck drivers40%
World’s mail volume handled by the Postal Service8 million
Employees
438,000,000
Pieces of mail processed every day$65 billion
2012 revenue
$1.8 billion
Salaries and benefits paid every two weeks423 million
Annual visits to usps.com5.7 million
Passport applications accepted every year0
Tax dollars received for operations152 million
Total delivery points BLAME IT ON GMAIL? MAIL VOLUME FALLS With easy, free access to email, and thus email marketing, the demand for mail has fallen over the pastdecade.
2 IN 3
Americans have access to email; that is expected to rise to 72% by2017
MORE THAN MAIL: OUR LOVE AFFAIR WITH STAMPS The fare for sending a letter—the stamp—is a huge part of U.S. culture. We celebrate with holiday- themed stamps; we raise money with charity stamps; and we collect old stamps, well, because they’recool.
CHARITY
Stamps sold slightly above the cost of a regular stamp, semi-postal stamps raise funds for causes identified by Congress. COMMEMORATIVE STAMPS The post office has released dozens of commemorative stamps over the years, whether related to music, entertainment or Americana. Here are the most collected commemorative stamps.SOURCES:
U.S. Postal Service
findyourstampsvalue.comeMarketer
-------------------------Categories
Trends
RISE OF THE NEW LINKEDIN: BY THE NUMBERS * Post author By helpdesk * Post date January 30, 2020 SHARE THIS GRAPHIC ON YOUR SITE! RISE OF THE NEW LINKEDIN: BY THE NUMBERS You used to only check LinkedIn for job listings every few months—so why are working professionals suddenly spending hours on it everyweek.
LINKEDIN’S NEW NUMBERSWORLDWIDE GROWTH
2003: 500,000 users
2007: 13 million users 2011: 140 million users 2017: 500 million users* 10+ million active job listings 9+ million companies 100,000 articles published weekly LINKEDIN USAGE IN THE UNITED STATES138 million members
3 million jobs posted every month 20,000 companies use LinkedIn for recruitingWHO LOGS ON?
In 2016, 29% of online adults used LinkedIn LINKEDIN USER CHARACTERISTICS (OUT OF ONLINE ADULTS WORLDWIDE)EDUCATION
50% of college grads 27% of those with some college 12% of high school grads or lessINCOME
45% of those with household income of ≥$75,000 21% of those with income of ≤$30,000EMPLOYMENT STATUS
35% of employed people 17% of unemployed people DEEPER, MORE FREQUENT ENGAGEMENT In 2017, worldwide active users* are growing January: 227 million February: 240 millionMarch: 260 million
20% increase in content consumption “I READ INTERESTING ARTICLES/VIDEOS ON MY LINKEDIN FEED”2014: 16%
2016: 36%
The reason for this jump in activity? People don’t log in just to update their resumes anymore. NEW REASONS FOR USING LINKEDIN BEFORE: JOB HUNT ONLY In August 2017, in the U.S. there were 7.1 million unemployed people 4.4% unemployment rate 35% of job seekers use social networks to contact potential employers 24% use them to contact recruiters or headhunters 75% of people who recently changed jobs use LinkedIn while making their next career decision NOW: NETWORKING AND PERSONAL BRANDING 79% of professionals say networking is valuable for career growth 61% of professionals say regular online interaction with networks can lead to job opportunities 35% say a casual conversation on LinkedIn Messaging has led to a newopportunity
50% of LinkedIn members have found a job through a mutual connection MOST AVERAGE LINKEDIN CONNECTIONS PER USERCountries:
United Arab Emirates: 211Netherlands: 188
Singapore: 152
Cities
London: 307
Amsterdam: 288
San Francisco Bay Area: 241Industries
Staffing and recruiting: 702 Venture capital and private equity: 423 Human resources: 380 EXPERT OPINIONS ON THE NEW LINKEDIN MANU GOSWAMI, Business Development Associate, JB Fitzgerald VentureCapital
_“When I joined LinkedIn, no one was posting anything related to their professional life in a way that truly utilized the beauty of storytelling. When people started doing that, LinkedIn became an outlet for many people. It’s become a community I can count on foreverything.”_
ROBYN D. STOLLER-SHULMAN, Senior Editor, 51Talk _“LinkedIn was always a phenomenal place for employed professionals to network. However, recent changes to the platform encourage ongoing engagement through status updates, video, immediate feedback, andviral views.”_
THOMAS MA, Co-Founder, Sapphire Apps _“If you’re starting out, don’t try to write something for the sake of the vanity. When you’re shooting for numbers, you probably won’t reach a lot of people. Be yourself and share your perspective. That’s the best way to build an audience.”_ LINKEDIN IS CHANGING ALONG WITH ITS USERS Focus on Making ConnectionsNew Features
Native video
Share in-person status updates, tutorials, and behind-the-scenes videos on the LinkedIn mobile appActive status
See when connections are online and ready to chatMessaging
Start informal conversations with Facebook-style instant messagingVideo filters
Apply Snapchat-style filters to videos taken through the LinkedIn app at conferences and conventions WHAT TO WATCH FOR IN THE FUTURE Mentoring: Free service would match LinkedIn members with seasoned pros who give career advice In 2017: Limited launch in San Francisco and Australia Access to Top Thought Leaders JEFF WEINER CEO, LINKEDIN Posts about: business, newest innovations from around the world Followers: 6,633,664 LIZ RYAN, FOUNDER & CEO, HUMAN WORKPLACE Posts about: company improvement, landing your dream jobFollowers: 2,556,53
MOHAMED EL-ERIAN, CHIEF ECONOMIC ADVISOR, ALLIANZ Posts about: global economy, financial markets, monetary policy Followers: 1,476,151 LINKEDIN’S EFFECTIVENESS According to a 2016 Jobvite report, 87% of recruiters use LinkedIn toevaluate candidates
Employees sourced through LinkedIn are 40% less likely to leave the company within the first 6 months LINKEDIN HIRING RATE*August 2016: 1.22
August 2017: 1.31
Up 7.2%
WITH ALL OF THE GROWTH AND UPDATES, IT LOOKS LIKE THE NEW LINKEDIN ISHERE TO STAY!
SOURCES:
https://www.inc.com/john-koetsier/the-3-stages-of-linkeds-epic-growth-from-500000-to-500-million-users.html https://www.linkedin.com/jobs/blog/linkedin-workforce-report-september-2017 http://www.pewinternet.org/2016/11/11/social-media-update-2016/ http://fortune.com/2017/04/24/linkedin-users/ https://research.hubspot.com/reports/the-future-of-content-marketing?_ga=2.32164283.460720622.1505928177-405159328.1502125499 https://www.bls.gov/news.release/pdf/empsit.pdf http://www.adecco.com/en-US/Industry-Insights/Documents/Adecco%20Work%20Trends%20Study%202015.pdf https://business.linkedin.com/content/dam/business/talent-solutions/global/en_us/c/pdfs/Ultimate-List-of-Hiring-Stats-v02.04.pdf https://www.forbes.com/sites/williamarruda/2013/11/25/9-reasons-why-you-must-update-your-linkedin-profile-today https://news.linkedin.com/2017/6/eighty-percent-of-professionals-consider-networking-important-to-career-success https://blog.linkedin.com/2017/april/13/introducing-a-smarter-way-to-message-and-build-meaningful-relationships-on-linkedin https://blog.linkedin.com/2017/april/24/the-power-of-linkedins-500-million-community https://blog.linkedin.com/2017/august/22/Introducing-LinkedIn-Video-Show-Your-Experience-and-Perspective https://blog.linkedin.com/2017/august/16/introducing-active-status-on-linkedin-messaging http://mashable.com/2017/10/03/linkedin-video-geofilters/#lNrHixFgnqqx https://www.forbes.com/sites/nextavenue/2017/08/14/5-new-linkedin-changes-to-help-you-get-a-job https://www.linkedin.com/pulse/linkedin-top-voices-10-must-know-influencers-2016-daniel-roth https://www.jobvite.com/wp-content/uploads/2016/09/RecruiterNation2016.pdf -------------------------Categories
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THE AMAZING HISTORY OF INFORMATION STORAGE: HOW SMALL HAS BECOMEBEAUTIFUL
* Post author By helpdesk * Post date January 30, 2020 People have been storing information since the stone ages, ever since they’ve been writing or putting art on tablets and walls. With the invention of paper and ink, the “density of information” increased significantly, packing a lot more information into a tighter space (such scrolls and eventually bound books, as we still use today). The invention of printing didn’t substantially increase the density of information, though it greatly contributed to its dissemination by making information easier to copy. In the 20th century, the benchmark for a sizable chunk of information became the Encyclopedia Britannica. The 2010 edition (the last print-edition that Encyclopedia Britannica will ever publish) consists of 32 volumes and weighs 129 pounds.(Source
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At 50 million words or about 300 million characters, it requires roughly gigabyte to store the text electronically (leaving out imagesand diagrams).
In an age of thumb drives that weigh less than an ounce and that, these days, routinely hold 8 or 16 gigabytes, paper and ink doesn’t seem like a very efficient way to store information. But electronic storage wasn’t always so efficient. Continue reading “The Amazing History of Information Storage: How Small Has Become Beautiful”Search for:
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