Software sizes up your eyes, nose, mouth—even your wrinkles

Memo to students: Think you can fool your teacher when you’re not paying attention? Think again. In the not-too-distant future, a laptop flashing a graph tracking classroom attention in real time could give you away. By the end of 2015, as many as 1,000 schools in the U.S. and Canada could be using a technology that monitors students, says Rich Cheston, chief solutions officer at Stoneware, a Lenovo unit that makes classroom management software. Stoneware will soon incorporate emotions analytics into one of its products to track attention in the classroom. A cousin of facial recognition, emotions analytics relies on video of facial expressions.

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