We all take mobile phone for granted, but if 60 years ago you had suggested that virtually everyone would be able to carry around a small handset capable of such things, you might have been thought to be a bit of a dreamer.
Now you can control you computer using thought waves, and you’ll soon be able to converse with a hologram!
http://www.stuff.co.nz/4562061a28.html
http://www.emotiv.com/corporate/2_0/2_2.htm
