Apple’s MobileMe has become quite a decent push email and data service, but a word of warning, MobileMe trial user’s better back up their contact and calendar events before ending their trial service.

Apparently a minor oversight with MobileMe data sync flow exposes the trial user to a risk of losing their calendar and contacts data upon termination of the trial service.

Once a MobileMe account is ended all the data is deleted from the ‘cloud’ to leave a blank canvas, so any Apple iPhone which syncs with a cancelled account will probable overwrite their own data with the blank canvas.

Full article here