A cameo by Waldo

Bhowmik (on screen) shows off eye tracking with a software version of "Where's Waldo?" The PC just tracks where the user is looking. When Bhowmik spots Waldo in the crowded illustration, the page turns to the next picture.

January 7, 2013 4:14 PM PST

Photo by: Josh Miller/CNET

| Caption by: CNET News staff

 

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