Contest: Know your mobile trivia (or how to use Google)? Come win 50 bucks!

Long story short, Virgin Mobile sent us an envelope full of $50 dollar gift cards, and we’re passing them on to our readers at a rate of one or two per day. (If you really want the whole back story, here you go.) The only catch is that they expire at the end of 2008, so if you nab one you’ll have to spend it quick.

This is the second card we’ve given away so far. Find out how to win it at MobileCrunch >>