Hands free washroom, except for one thing

Once we were in this gas station where they has a scanner on the wall and if you waved your hand in front if it the door would open. Everyone needs one.

This is why paper towel dispensers are better than dryers. Plus, I think MythBusters did an episode that showed paper towels are better than dryers, at least when it comes to not blowing bacteria all over the place.