While we all discuss the nice set of tips for Blackberry users (of which I am one.)endlessly, AllThingsD has a
Odds are that sophisticated users already know the keyboard shortcuts, but I had never heard of this trick to see the event log.
One way to impress a technophile on a date is by pulling up a BlackBerry's Event Log. To do this, go to the Home screen and hold down ALT while typing "LGLG." This retrieves a long list of numerous confusing codes representing the functions that were performed on your device. The Menu screen in the Event Log gives users the option to clear this log, freeing up some BlackBerry memory, while an Options screen lets people set the log up to record only certain kinds of activities.