need someone to develop this....

[Shawn Rutledge]

On Dec 3, 2007 10:51 AM, Ortwin Regel <ortwin at gmail.com> wrote:
> An interesting (though probably not as useful and secure) variation could be
> to stack the phones on top of each other and have one phone send a vibration
> pattern to the other. One could even exchange data that way at very very low
> speeds... B)

Via Morse code it could exchange data with the user that way, too.  :-)