I recently read with dismay about malicious Russian QR codes that cause your Android phone to send $6 txt msgs to the BGs. All you need to do is scan the code, and off goes your $6, adjusted for currency exchange rates, of course.
Many have written about the new iPhone4S’s camera, and how it might displace quite a few point-and-shoot models. Still, there are some things it can’t do, or you wouldn’t want to do with it. This is one.