Facebook's made no official push into the smartphone universe -- to date, we've been left using various mobile apps to connect with J. Timberlake, Marky Z. and the rest of the crew, but it looks as if the preeminent social networking site of our generation (ahem) is just about ready to clear the air on at least one issue. The invite above recently landed in our inbox, requesting our presence at "a mobile event at Facebook HQ" in Palo Alto, California. Naturally, we'll be on hand from NorCal bringing you the blow-by-blow, and we're interested to know what you think will be on deck. Will we finally see the
