twhirl_at Just posted this on Read Write Web:  Today, the battle between the two most popular AIR apps as of late has begun. Yesterday, the FriendFeed AIR app, Alert Thingy, having only just launched on April 13th, was already getting an update – this one to include Twitter support via a built-in "Tweet" button. Not to be outdone, Twhirl wasted no time in providing an update of their own, seemingly crafting their updated version overnight. Now Twhirl includes FriendFeed support and Alert Thingy does Twitter, but are either of them really giving users what they want?…Keep Reading.