What Feature Would Make Your Favorite App Perfect?

It's crazy to think about how much we use our preferred apps. We track runs, take notes, dip into our endless RSS streams, sort Tweets, or use Shazam to keep from embarrassing ourselves when we don't recognize a song. Okay, that last one might just be me. Whatever. The point is that we're intimately acquainted with these little software nuggets on our computers and smartphones and we know them inside and out.