Angry Birds free!(Chrome Web app)

Have you checked out the new Chrome webstore? It's quite neat and practically everything is free, including the hit game, Angry birds! Why? It is not clear yet, but who cares? One reason may be that Rovio is helping advertise Google Chrome, because in order to play the game, you must have the browser- in fact, every one of the apps open in Google Chrome. If Google continues to make everything free (Im talking about stuff like MS Office, Photoshop, big-name products like that), Google could possibly rule the world...