IBM and "Jeopardy" television

IBM is running ads touting a computer which can infer the nuances of "Jeopardy" television answers.
The computer Watson will actually compete. See IBM Computer Takes On 'Jeopardy' Champs

However, note

IBM's US 7,788,063: A total weight of passengers on the vehicle is divided by an estimated weight of each of the passengers to estimate "how many"