@mashable VOIP, obviously!
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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RT
@mashable: How Do Computers Talk to Each Other on the Internet? - http://on.mash.to/RU8UcK#web101Thanks. Twitter will use this to make your timeline better. UndoUndo
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@mashable Very CAREFULLY.Thanks. Twitter will use this to make your timeline better. UndoUndo
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