My most used apps of 2011 include an endless list of Twitter apps, ‘video streaming apps’, and of course, the default apps like Safari, Mail, Messages and YouTube. When I do download apps from the App Store, I immediately store them into folders: "Games, Utilities, Utilities 2". However, there are a select few apps that live outside of folders, because I use them so often. Here are the top 5 that I’ve used this year.