michael from the think-of-all-the-spam dept.
boogahsmalls writes: "HP has been working on a nifty little project by the name of Cooltown that allows users to "paint" the air with comments using GPS and mobile phones. A more extensive write up is available over at New Scientist."
For every bloke who makes his mark, there's half a dozen waiting to rub it out.
-- Andy Capp