Then I heard about a house-swapping site, Homelink, through friends at an Italian language school.

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He then proceeded to download The Matrix from Gnutella, a file-swapping site.

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"You have the rockabilly artists who are essentially having a great deal of fun and basically swapping out hot rods for spacecraft, " says Bill Geerhart, who runs a Web site and the Atomic Platters record label, both devoted to Cold War music.

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