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Critics Be Damned! iPhone 4S Pre-Order Success Validates Apple Strategy

Phil Schiller introduces the iPhone 4S' voice-controlled assistant, Siri. Image: Brian X. Chen/Wired.com

If initial sales figures for the iPhone 4S are any indication, Apple could issue a resounding “I told you so” to critics who initially panned the phone’s new features and unchanged physical appearance as disappointing. Perhaps even more telling: Solid sales of older iPhone models continue to prove Apple’s dominance in the smartphone space.

The iPhone 4S sold over one million pre-order units in its first 24 hours of availability, trouncing previous record pre-order sales of 600,000 units for...

Psychologists Decipher Brain's Clever Autofocus Software

By Gretchen Cuda Kroen, ScienceNOW

It’s something we all take for granted: our ability to look at an object, near or far, and bring it instantly into focus. The eyes of humans and many animals do this almost instantaneously and with stunning accuracy. Now researchers say they are one step closer to understanding how the brain accomplishes this feat.

Psychologists Decipher Brain's Clever Autofocus SoftwareWilson Geisler and Johannes Burge, psychologists at the Center for Perceptual Systems at the University of Texas, Austin, have developed a simple algorithm for quickly and accurately estimating the focus error from a single blurry...

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