The latest craze

So you know how once upon a time you could tell somebody was a little nutty if they walked around talking to themselves? Then the bluetooth headset happened and cell-phone users started to own this little bit of oddity, to the point where everybody just assumes that people having a lively conversation with nobody else around is just a bit of a yuppy. OK, I think we're all accustomed to this. What still gets me is when people yapping at themselves (or presumably to a small microphone somewhere) are using emphatic hand signals. Whether they don't actually have a phone and are gesturing at an invisible man, or do have a phone and are...still gesturing at an invisible man. Either way I'm classifying it as some sort of clueless.

Enter the iphone 4 and the forward facing camera. How long until this becomes normal? At least for now you have to actually hold your arm out and have the phone in front of you, but it's only a matter of time before that goes away. Progress, yo