A design team at Ideo has brainstormed and built five prototypes of features to make mobile phones less socially rude.
The most disturbing on the list is this one, which doesn’t seem to reduce the amount of rudeness in the universe:
For example, the first phone, called SoMo1, gives its user a mild electric shock, depending on how loudly the person at the other end is speaking. This encourages both parties to speak more quietly, otherwise the mild tingling becomes an unpleasant jolt.
via BJ Fogg’s class on Captology