Spleak is a Messenger-based AI designed to keep you company through those rough days. She also has a number of useful functions, including the ability to talk about the weather, current news, and features like international time, a thesaurus, encyclopedia and loads of other features and games.
Try her out by adding spleak@hotmail.com to your contact list in MSN Messenger. She can hold a decent-ish conversation. Wonder if she would pass the Turing test