Even when villagers had to walk for days to get to the next village, there was no such thing as privacy. So nothing has changed.
Stealing login credentials from a locked PC or Mac just got easier
"Snatching the login credentials of a locked computer just got easier and faster, thanks to a technique that requires only $50 worth of hardware and takes less than 30 seconds to carry out."
[youtube]http://www.youtube.com/watch?v=Oplubg5q7ao[/youtube]