via slate.com
In July, LinkedIn co-founder Reid Hoffman wore a strange device on his wrist as he gave a talk to the MIT Media Lab. The QSensor, developed by the lab's Affective Computing Group, blinked to display Hoffman's overall stress level as he spoke. Behind him, the live Twitter feed for #MediaLabTalk scrolled by on two giant screens. One tweet noted, "You can see Reid Hoffman's stress monitor blink faster as he struggles to recall details of an article he just read." Hoffman's stress level also elevated each time his high-tech accessory was mentioned, as when Media Lab Director Joi Ito joked that the Media Lab planned to enhance all future talks by hooking presenters up to lie detectors.
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