If you’re above the age of 28, one of your first computer gaming experiences was probably a text adventure like Zork or the Hitchhiker’s Guide to the Galaxy (anyone else spend like 3 hours trying to get that damn babelfish to work?).
Now those games, which have been available for sometime for free, can be accessed via AIM from your PC or any handheld/phone with AIM, thanks to an enterprising group dedicated to preserving gaming history. Check out the Wired article for details.