Microsoft's "decision engine" Bing is invading Windows Live Hotmail with a new feature called "Quick add." In addition to the Bing search bar at the top of every Hotmail webpage, Quick add allows the user to perform searches within the website and add the results—like a map or a funny video—to a new e-mail.

To try it out for yourself, head over to Hotmail and compose a new e-mail. You'll see the Quick add pane on the right-hand side (as pictured above). Microsoft says that the feature ...

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