QR Code Jacket Patches Take Strangers On the Street to Your Blog, Stat!

We're sad that after all these years, the only place QR codes are actually useful is still good ol' Japan (where they're everywhere » 7/30/08 9:31am 7/30/08 9:31am). That said, San Francisco has , and there are readers available for just about every mobile platform (including iPhone)-which you'll have to make sure all of your friends have installed…