Xfire is a gamer centric program (I refuse to use the word app) used primarily for instant messaging. It has a variety of other uses my favorite being its ability to track which games you are playing and how many hours you have spent playing said game. I have a strange fascination with the amount of hours I have actually spent on each game. It feels very much like a metagame to me where I see which game manages to grab my attention for longest any given week. It has also opened my eyes to the fact that my perceived game time and my actual game time are usually at odds with each other.
I have been using Xfire for a few years now and here is what my gaming history looks like:

