A Headset that Reads Your Brainwaves

Is this the wave of the future--a headset the will read our brainwaves. This from TEDtalksDirector:

Tan Le's astonishing new computer interface reads its user's brainwaves, making it possible to control virtual objects, and even physical electronics, with mere thoughts (and a little concentration). She demos the headset, and talks about its far-reaching applications.