Watson is an artificial intelligence research project by IBM designed to answer questions posed in natural language. The program is in the final stages of completion and will run on a Blue Gene computer. It competed on Jeopardy!as a test of its abilities on Feburary 12-14, 2011.
It competed against two of Jeopardy's most successful former contestants, Ken Jennings and Brad Rutter. Watson ended up winning the three day competition with a grand total of $77, 147.