Apple has bough start-up Chomp. Chomp is a search engine designed to help smartphone/iPad owners to search for mobile applications.
Chomp currently has partnered with Verizon to power Verizon app searches. Apple reportedly bought all of Chomp's resources including employees and technology.
There are reports that Chomp CEO Ben Keighran and CTO Cathy Edwards are already working at Apple. Keighran joined the iTunes marketing team, and Edwards is now a senior iTunes engineer.