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More than 300 billion total calling minutes take place annually on

I've been playing with HP's new TouchPad for a week, but it only took a few minutes to notice the tablet's similarities to the iPad. I'm not just talking about the TouchPad's WebOS--all players in the tablet space have undoubtedly taken cues from Apple's software (see: apps, gestures, etc.). But even HP's hardware design is iPad-like, from the placement of the (single) home button to the webcam to the auto-lock key to the volume seesaw switch.

The humble webcam has enabled many things: racy adventures on Chatroulette ; Skype chats with Grandma; remote learning. With this week's launch of YouEye , the hope is that the webcam will become a powerful--and inexpensive--new tool in user-experience testing for companies looking to quickly evaluate the effectiveness of their websites. YouEye pays people recruited from the client’s site, outsourced panels, or YouEye’s panel an average of $7 each to evaluate things like online advertising and attention spans by tracking their eyeball movements via their own webcams.