This is the kind of tech Bump needs to get on -- auth and identity management. They showed a way a while back to upload an image by "bumping" your phone on your

This is the kind of tech Bump needs to get on -- auth and identity management. They showed a way a while back to upload an image by "bumping" your phone on your keyboard. Since phones are singular and ubiquitous and have their own identifiers, your phone could essentially become a makeshift physical key. You could log into any machine, public or private, with a simple "bump" of the keyboard. So Bump, if you're listening, create a Bump Auth. Of course if you lost your phone or someone stole it, that would be problematic, but I don't anticipate you'd use this as a way to log into your bank account.