Primary uses other than phoning your significant others 48956240895624098times a week:
1. Handy-dandy secondary lighting for those post-party portraits you've always wanted to do:
(A 40 second exposure @ f4 with continually wand-lighting from Blackberry white screen with a old bessie of a digital camera)
2. And now for a little less refined usage: Don't you hate getting random particles lodged under your fingernails? Never fear, Blackberry Manicure Express App is here!
Cleans out the unwanted by-product of hand usage (hand/fingernail grit) that you don't want after too much time in the garden/at the workshop/at your favorite Indian restaurant. Simply swipe a piece of paper through the groove to ready it for another nail-mining endeavor.
Divertiti, ciao!