The 24-inch ErgoSensor Monitor uses a built-in sensor to determine your distance from the screen and your neck angle while sitting. And, like a worried mother, will remind you to straighten your back, keep your distance from the display, and take breaks from sitting at the computer.
Source: http://www.wired.com/gadgetlab/2012/04/new-philips-monitor-uses-sensor-to-promote-better-posture/
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