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One feature that Samsung shared today at the S II launch event, which possessed more than a passing resemblance to its iOS counterpart, was “AllShare Cast.” It is a way of slinging video around the house. To go with it, Samsung is adding an “AllCast Dongle” to the mix to catch those videos and put them on an HDTV a la Apple TV.

On one hand, it is pretty blatant copying. On the other hand, it is really useful.