An Ethernet port was added when some backers outside the United States said they had no access to Wi-Fi, and a USB port was added for the "hardest of the hardcore" players who will want to store more games than the console can handle.

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The trick is in writing complicated software that directs the hardware to instantly handle the needs of different databases, console switches, networks or security.

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Downloading goes via the PlayStation 3 console, turning it into a home computer server that can handle movie rentals as well as play games.

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That would let Sony keep the cost down considerably while also easing development for the console since, by then, developers should finally have a handle on the PS3's hardware.

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