Whether they use the Web or Gnutella, SightSound users download an encrypted, compressed file, and then pay for a license with which they can decode it into a viewable movie.

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Finally the camera stores the compressed image file on anything from a flash memory card to a floppy disk for later downloading to a computer or printer.

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If you'd like to watch one of the videos from Drive and you don't mind watching it directly via the app, you can do so -- but each movie file is highly compressed.

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Global's slightly larger version, about the size of a fist, called the iSwipe Mini, secures entranceways and can store 10, 000 iris identities, each compressed into a tiny 2-kilobyte file, and can scan 15 people per minute.

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