This was very cool!
Reshared post from +Adam Pash
Really, really cool way to securely log into your Google account on a computer you don't trust.
Sign Into Your Google Account on Public Computers Without Typing Anything
If you ever want to log into your Google account when you're at a public computer, where you're unsure whether or not there's a keylogger installed, there's now a simple solution.
Post imported by Google+Blog. Created By Daniel Treadwell.