My favorite of these is http://twitter.com/#!/big_ben_clock http://twitter.com/#!/big_ben_clock, which tweets on the hour in London. (I copied this idea and ma

My favorite of these is http://twitter.com/#!/big_ben_clock http://twitter.com/#!/big_ben_clock, which tweets on the hour in London. (I copied this idea and made @sf_o_clock). The idea of devices broadcasting information to provide ambient data to anyone who cares to listen is so fascinating. This could go way beyond the obvious things like time, stocks and weather, and into... well, things I can't imagine yet.