That is so cool. But I think it is a bit unsafe because what if there are hackers in the building that can get every single detail of information from you just by taking a picture of your face? Anyways, still cool, still a bit unsafe.
Did you know that people wanted George Washington to be king first?!?! He convinced us otherwise, but it's still crazy to think that after we finally were free from Britain, we wanted to start all over again!