It looks like Apple might soon have a new best friend: Microsoft, at least if the introduction of an iPhone app for Microsoft's Bing "decision engine" is the first sign of a new trend.

You will remember that Apple and Google used to be joined at the iPhone and browser, with Google providing popular apps for the iPhone and a default search engine for the Safari browser. Google Chairman and CEO Eric Schmidt even sat on Apple's board of directors.

While the Google iPhone apps still remain--and are widely used in business--the relationship is in tatters, as Google has begun competing with its former friend across a wide front. Schmidt, under pressure, resigned from the Apple board.

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