Well, when you get big enough, there's a target painted on your back. Sony has gone after the iPhone and the App Store in a new ad for their PSP gaming system. As you can see above, the ad comes from the "Marcus PSP" series (starring 30 Rock's hilarious Bobb'e J. Thompson as an advice-giving kid), and calls out iPhone gamers for not playing "big boy games." The ad then shows games like Twisted Metal: Head-On and Hot Shots Golf: Open Tee, bragging that they are all available for