Microsoft this week shipped its Windows Phone "Mango" update to phone makers--adding key features to the smartphone OS that Microsoft is pitting against Apple iPhone and Google Android. Check out this visual tour of seven significant new functions.
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A new feature called Threads lets users glide between text, Windows Live Messenger, and Facebook chat within the same "conversation." Multiple feeds from those services are displayed on a single screen, allowing individuals to jump back and forth for cross-network texting, chat, and messaging.