US Customs and Border Protection wants to ask for your "online presence" at the border

“Please enter information associated with your online presence—Provider/Platform—Social media identifier.” It will be an optional data field, but of course, CBP screeners may subject travellers who decline to reveal their online names for additional scrutiny.
Read more: http://boingboing.net/2016/06/25/us-customs-and-border-patrol-w.html?source=Snapzu