IBM's using two racks of computers and a huge SAN. Maybe it couldn't compete with watson, but a decent setup could be cobbled together for 5,000. It wouldn't be

IBM's using two racks of computers and a huge SAN. Maybe it couldn't compete with watson, but a decent setup could be cobbled together for 5,000. It wouldn't be as fast, or as comprehensive, but it could be done. The harder part is the tens of thousands of man hours with very smart people.