According to All Things D, Apple has hired major Amazon search technologist and MIT PhD William Stasior to run its Siri unit. Stasior’s has had an impressive career. He has taught at MIT, worked at Oracle, Netcentives and Altavista. He joined Amazon in 2003 as director of search and navigation.
With his long-time experience in search, hiring Stasior clearly indicates that Apple is expanding on providing services like search, Maps, and advertising.
Via All Things D.