Buy a Watson Poster now to start advertising.
It will be human vs. machine showdown and costumes are encouraged! Perhaps an stick-on Lemur tattoo might be appropriate.
For food consider:
- Robot 'Chips' - homemade potato chips tossed in herb salt
-"Buzz in" Mousse - A chocolate-coffee mouse with chocolate covered espresso beans
- A jeopardy themed cake with a robot chasing a human (think Bender from Futurama)
- 'Deconstructed' Techno-Style boneless buffalo wings
Leave more suggestions in the comments!
(For some more details on how Watson works read, Building Watson: An Overview of the DeepQA Project - AI Magazine).