The Sidekick, marketed as a mobile messaging device, allows its user to: send SMS messages; IM friends; surf the Web; create an address book, calendar, to do list, or jot down notes — all while playing music, taking pictures, playing games or actually making a call.  Sounds impressive right?  What could possibly go wrong?

One million or so Sidekick users have now discovered the fragility of online storage of information…

Sidekick Users See Their Data Vanish Into a Cloud