Cell phone vibrator which encodes distance to caller in the same fashion that a seismograph indicates distance to an earthquake. Call urgency is represented as magnitude of the vibrations.

Can give you some idea of who is calling, and whether to accept, without peeking at the caller ID.
-- lurch, Mar 22 2006

Ring World Ring_20World
[theircompetitor, Mar 22 2006]

Very useful. I have been caught out by somebody calling from a dark corner of the room I am in and me saying am in a different city.
-- Tanned Black, Mar 22 2006


I was expecting something completely different after reading the title.

Oh, how the earth moved.
-- skinflaps, Mar 22 2006


<snigger>
-- DrBob, Mar 22 2006


Tam tum Tam tumTAM TUM TAM TUM (from Jaws)

eee eee EEE EEE! (from hitchkock shower scene)

brr brr brr BRR BRR BRR!!!

Absolute nightmare+
-- zeno, Mar 23 2006



random, halfbakery