The free Hulu Plus app just hit the iTunes App store kids with the promise of 720p streaming over WiFi or 3G to iOS devices. They're calling it a "limited preview" release that will ultimately require a $10 per month subscription on top of the commercials you're forced to watch. Oh, and it's still restricted to US-only viewership. Well, at least the Flash barrier has been removed. Huzzah?Hulu Plus preview arrives in iTunes App Store, Flash be damne