....driven by the need to kick Google off the iPhone? An interesting idea. Worth thinking about....

From a Businessweek article:

Some analysts believe the Apple-Google battle is likely to get much rougher in the months ahead. Ovum's Yarmis thinks Apple may soon decide to dump Google as the default search engine on its devices, primarily to cut Google off from mobile data that could be used to improve its advertising and Android technology. Jobs might cut a deal with—gasp!—Microsoft to make Bing Apple's engine of choice, or even launch its own search engine, Yarmis says. "I fully expect [Apple] to do something in search," he adds. "If there's all these advertising dollars to be won, why would it want Google on its iPhones?"