CeBit Surprise.

This article about the CeBit technology show contains a few key sentences:

"Meanwhile Germany's renowned Frauenhofer Institute and the neurology clinic at Berlin's Charite hospital are to unveil a 'mental typewriter' that will allow people incapacitated by injury or disease to communicate. Using 128 electrodes fastened to the cranium, the invention literally reads minds as the patient uses his thoughts to type out messages."

More details on this as I uncover them.