Duncan Graham-Rowe on Samsung’s new software to detect the emotion of a smart phone user:

But there are many more potential applications, says Lee. The system could trigger different ringtones on a phone to convey the caller’s emotional state or cheer up someone who’s feeling low. “The smart phone might show a funny cartoon to make the user feel better,” he says.

If I am pissed, the last thing that is going to make me “feel better” is some cheesy cartoon my Samsung phone picks out.