What Is I.B.M.'s Watson?
'Toured the Burj in this U.A.E. city. They say it's the tallest tower in the world; looked over the ledge and lost my lunch. Multimedia — Enlarge This Image — MASTERMIND The one behind Watson's mastermind, that is: David Ferrucci of I.B.M., who himself is not a huge “Jeopardy!” fan.