"The BiDi Screen is an example of a new type of I/O device that possesses the ability to both capture images and display them.
This thin, bidirectional screen extends the latest trend in LCD devices, which has seen the incorporation of photo-diodes into every display pixel."
http://web.media.mit.edu/~mhirsch/bidi/faq.html#q1
Reminds me of 1984 .
Interesting !
Kadri.
Scary tech. I can think of a lot of people I would not want to see in their birthday suits.