A related HN post from a few weeks ago, a bit more technical: http://hackerne.ws/item?id=3916647 http://hackerne.ws/item?id=3916647 As the blogger suggests, th

A related HN post from a few weeks ago, a bit more technical: http://hackerne.ws/item?id=3916647 http://hackerne.ws/item?id=3916647 As the blogger suggests, this type of tech would most likely be used in internet cafe environments, or classrooms. It might not work out so well at home but I can definitely see it being used in public environments. This doesn't seem like it's that hard to implement though, I wonder if commercial operating systems decided to neglect this type of feature fearing that a few multiseat users is a few potential licenses lost?