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Placebo buttons are buttons that actually do nothing except give the user an illusion of control.
The advent of computer-controlled traffic signals make the walk buttons at pedestrian crossings on heavily trafficked streets obsolete. By the late 1980s, most (but not all) walk buttons in New York City have been deactivated yet people push them anyhow, either in ignorance, out of habit, or in the off chance the buttons did work.
Many large office buildings also have dummy thermostats to give office workers the illusion of control. Some even go as far as installing white-noise generators to mimic the hum of fans after the HVAC system is shut off.
The same goes for the close button in elevators. Most elevators built or installed since the early 1990s don't have close buttons that work, unless you have a fireman's key. People do push them anyhow, because the fact that the door eventually closes reinforces their belief that the button works.
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FirstShowing.net
- "Toy Story 3″ Trailer Released - WSJ.com: Speakeasy
- Pixar Debuts New Toy Story 3 Trailer! - Reel Movie News
- Toy Story 3 Trailer #2: First Look at Ken! - FilmoFilia
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The sun's activity isn't usually a hot topic around these parts, but when it threatens to derail satellite navigation services around the world, it must surely take center stage. UK researchers have corroborated Cornell's 2006 warning that our solar system's main life-giver is about to wake up and head toward a new solar maximum -- a period of elevated surface activity and radiation. It is precisely that radiation, which can be perceived in the form of solar flares, that worries people with respect to GPS signaling, as its effects on the Earth's ionosphere are likely to cause delays in data transmission from satellites to receivers and thereby result in triangulation errors. Still, it's more likely to be "troublesome than dangerous," but inaccuracies of around 10 meters and signal blackouts that could last for hours are being forecast in the absence of any intervening steps being taken. So yes, you now have another reason not to trust your GPS too much.
[Thanks, Mike]
Solar flares set to wreak havoc on GPS signals originally appeared on Engadget on Wed, 10 Feb 2010 06:02:00 EST. Please see our terms for use of feeds.
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For years, one of the most popular ways to access Facebook has been from mobile phones. The company has done quite a bit to make this possible, offering everything from SMS messaging functionality to web-based mobile sites and native applications for most smartphone platforms. Today, the company has announced that 100 million Facebook users are tapping into these mobile services, up from 65 million users last September.
Of course, Facebook has grown by over a hundred million members since the last milestone, so this increase isn't a big surprise. But mobile growth seems to be accelerating even faster than Facebook is acquiring new members — Facebook had 65 million mobile users in September, and less than a week later announced that it had hit 300 million total active users (in other words, around 21.7% of users were using Facebook mobile). Now they have 100 million of 400 million total users tapping into the site from their mobile phones, or around 25%.
Facebook's post notes that the mobile websites m.facebook.com and touch.facebook.com (which is optimized for smartphones like the iPhone) have been redesigned. And that the site routinely handles text messages from 80 operators across 32 countries worldwide.

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News story, auto-translated to English in the Norwegian newspaper Aftenposten. More on Google Maps. (thanks, BB reader Kjetil Rydland in Norway!)
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This is, by all reports, an actual billboard on I-35 in Wyoming, Minnesota:

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Google long has been an advocate of a single Web, one that's free of government censorship and barriers to information access.
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