In time with development the human brain could be used as a massive data storage device for PC information. You could have fingerprint recognition on the PC itself and then download/upload vast amounts of information. All someone would have to do is touch you (easilydone in a crowded place) and give you a virus, take private inforamtion, or assimilate you like the borg... Resistance is futile... Here is an old link about Microsoft who already patented this technology... http://www.betanews.com/article/1088039192 Sorry, you'll have to copy and paste...