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i've tried facetime, it is neat. i don't see myself using it often as we don't have two i4's in the family, but if you do it's great to call home with. it does not use up cellular time as it only works on wifi connections. you can pause the audio or video or both. in theory you could call someone. pause video, and still have a voice chat without using up cellular time. bet at&t isn't too happy about that.
i think it will be a long while before we see facetime on at&t's cellular network seeing how much trouble they have with plain voice calls now.
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