I know the obvious next response is, "But, you can just use Facebook and Twitter directly from the Web using Internet Explorer." It's not the same.

Yes, it is true. Yes, I can access the full features and capabilities of either social network from their respective websites. But, when dealing with an interface that's designed for touch, you need an app that is as well.

Facebook and Twitter are both staples of social networking, and communication in general, and it's crucial that in order to use them effectively from a tablet.