With hundreds of thousands of mobile apps already available, you might think that we don't need any more. But you'd be wrong. Even with all of the apps out there for the iPad, iPhone, Android phones and tablets, BlackBerrys, and other smart devices, we still want -- and need -- more. Here are the mobile apps you'll be talking about in 2011. And this list includes more than just apps; we've also included new phone functions and OS features that will change the way you use your mobile device.