Want.

Admit it: Sometimes you just want to punch your PC, or slap your smartphone, or knock your notebook.

We all get riled by technology once in a while, with all those feeble batteries, endless updates and spinning wheels of death.

But what if our devices could see it coming? What if they could pick up the tics and tells of our brewing anger — or, for that matter, any other emotion — and respond accordingly?

It’s not as crazy as it sounds. To hear experts tell it, this is where technology is going. Researchers and companies are already starting to employ sensors that try to read and respond to our feelings.

Devices that Know How We Really Fee – New York Times (May 4, 2014)