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Greg Linden
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Great SMBC comic today related to AI
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Greg Linden

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Cute mention of Crunchzilla.
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Good lessons in this for AI, particularly this one: "forgetting may be nearly as important as remembering in humans"
The more you forget, the better you can remember.
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Greg Linden

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Nicely done quiz testing whether you know what you don't know, that is, how confident you are in your answers and whether your confidence ends up matching your actual accuracy.
A Confidence Calibration Exercise. After answering each of the true/false questions below, indicate how confident you are in your answer using the corresponding slider. A value of 50% means you have no idea what the right answer is (the same probability as a random guess between the two choices) ...
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+Matt McKnight There's definitely a lot of other work on this.. This is just a nicely done and easy-to-take implementation of a quiz on it.

More details on the broader concept of confidence and overconfidence:
http://en.wikipedia.org/wiki/Dunning%E2%80%93Kruger_effect
http://acritch.com/credence-game/

The second of those is more details on the link you gave from the author of that work.
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Facebook says "600 million ...  use its Messenger app monthly. The company — like many before it — sees its messaging service as an alternative to email. Email was unavailable for comment yet presumably remains both vestigial and immortal."
http://fivethirtyeight.com/datalab/significant-digits-for-thursday-march-26-2015/
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This seemed inevitable, Udacity (one of the early free MOOCs) moving toward a model of paid short training courses for large corporations. A little disappointing, but Udacity does still have free courses for anyone anywhere in the world, and they did have a big impact, including a lot of other free classes out there now.
 
Scott Smith, senior VP of human resources operations at AT&T, says: “Earning this [Nanodegree] credential will soon become a key part of AT&T’s training and talent acquisition model.”

Online Learning Revolution Pushes Further Into Corporate Training
As business warms to online learning, the Silicon Valley start-ups behind Moocs are pushing further into the lucrative field of executive education.
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+Daniel Lemire I think that depends on whether they are taking the same thing they are already developing and using it to disrupt the corporate training market or if they are pivoting more significantly. I think it makes sense to erode a profitable business with a new technology. It seems a really normal path to take. Today kids have computers, but initially they were sold to big businesses. Someday self-driving cars may do what Google imagines (and maybe my kid will be able to go the store without driving), but the first applications (IMO) are going to be specialized tasks where they substitute for costly drivers. (In fact, that's already happening in a few industrial applications.) That doesn't mean that the cool future is further away -- in fact, taking over a profitable niche is the normal path to get to wide adoption for most new technologies.
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Worth knowing about, Google's internal build system just was open sourced, "used for millions of builds every day". Loved this line: "Building software should be fun and easy, and slow and unpredictable builds take the fun out of programming"

For a quick overview, the FAQ is great:

http://bazel.io/docs/FAQ.html
 
One of the best perks of being an engineer at Google is now open source. Our build system is just awesome.
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Bazel (or its internal name) is really really awesome. I miss it.
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Have them in circles
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For what it's worth, I've got a quote in this article today in the Seattle Times. Mostly just saying pretty obvious stuff, but, hey, take a look if the topic interests you.
Once the dust settles, Amazon seems unlikely to create a seismic shift of the same magnitude as the one caused by Microsoft’s boom mainly because, while Amazon is creating gobs of wealth, it’s nothing compared with the jackpot of Microsoft stock options.
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Fun article in 538 on the OKCupid data (which is described in more detail in the book Dataclysm, but this is a good summary)
In mid-August, couples and lonely hearts packed a Brooklyn basement to hear scientists make sense of something the crowd could not: love. It was the 11th meeting of the Empiricist League, a kind of...
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Weird that MTV gave up on music videos: "40 percent ... of content viewed on YouTube ... is in the music video genre"
You’re reading Significant Digits, a daily digest of the telling numbers tucked inside the news. To receive this as an email newsletter, please subscribe. 1 game The NFL is dipping its toe in the w...
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As people have commented above many (including myself) use +YouTube as an on-demand music service provider and this represents a big fraction of the views. The problem is that then your are comparing YouTube to Spotify instead of Netflix and there is a big difference in the valuations of the two companies. 

IMO YouTube needs to develop its own premium content like Netflix or Amazon. Its competitive advantage would be to take advantage of its own homegrown YouTube stars some of whom have the talent to crossover to a more mainstream adult audience. 
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Help me out with a quick poll? I'm trying to figure out what's wrong with this. What's your first impression if you saw this tweet in your stream?
34 votes  -  votes visible to Public
Interesting
35%
Spam
18%
Boring
3%
What's Hour of Code? Oh well, don't care
35%
Something else
9%
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Joshua O'Madadhain's profile photoTodd Hoff's profile photoLawrence Kesteloot's profile photoGreg Linden's profile photo
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+Lawrence Kesteloot Twitter has a fairly new feature, View Tweet Activity, that lets you see what is going on with one of your own tweets. In this case, the tweet had hundreds of views, but no clickthroughs, favorites, or retweets, so I knew something was wrong with the impression it was creating.
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Have them in circles
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Aprender a programar com o Crunchzilla | Aberto até de Madrugada
abertoatedemadrugada.com

A programação é algo que muitos encaram como sendo "demasiado complicado" para sequer se aventurarem em tentar aprender; mas a verdade é que

Schneier on Security: Yet Another Computer Side Channel
www.schneier.com

Yet Another Computer Side Channel. Researchers have managed to get two computers to communicate using heat and thermal sensors. It's not rea

An Important Notice from Amazon - The New Yorker
www.newyorker.com

You have been automatically enrolled in our exciting new shopping system. By us. For life.

Schneier on Security: How We Become Habituated to Security Warnings on C...
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Abstract: Research on security warnings consistently points to habituation as a key reason why users ignore security warnings. However, beca

Google Feud
www.googlefeud.com

Play 'Family Feud' against the top ten results in Google's autocomplete.

Magnetic 'rust' controls brain activity
news.sciencemag.org

Mouse study suggests wirelessly controlled nanoparticles can provide a nonsurgical way to do deep brain stimulation

Schneier on Security: Identifying When Someone is Operating a Computer R...
www.schneier.com

By using biometric analysis tools, we are able to analyze cognitive traits such as hand-eye coordination, usage preferences, as well as devi

Economist's View: 'Finance Is Great, But It Can Be A Real Drag, Too'
economistsview.typepad.com

If the financial sector gets too big or grows too fast, it's bad for growth: Finance is great, but it can be a real drag, too: When we were

Schneier on Security: Tom Ridge Can Find Terrorists Anywhere
www.schneier.com

Tom Ridge Can Find Terrorists Anywhere. One of the problems with our current discourse about terrorism and terrorist policies is that the pe

Saturday Morning Breakfast Cereal by Zach Weinersmith, February 28, 2015...
www.gocomics.com

One of the many great comics you can read for free at GoComics.com! Follow us for giveaways & giggles.

What Google DeepMind Means for A.I. - The New Yorker
www.newyorker.com

Engineers at Google DeepMind have designed a program that can master vintage video games. How will it shape the future of computer learning?

The Netflix Tech Blog: RAD - Outlier Detection on Big Data
techblog.netflix.com

Outlier detection can be a pain point for all data driven companies, especially as data volumes grow. At Netflix we have multiple datasets g

Chrome's Warning for Sites With Unwanted Software
googlesystem.blogspot.com

Last year, Chrome started to block downloads for applications that "make unexpected changes to your computer — for instance, switching your