"We're seeing the closet become more of a social space, " says Alison Schwartz of online real-estate tracker Move.com.

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Schwartz is chairman and CEO of Loral Space and Communications.

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Mr. SCHWARTZ: Well, I think Stanley Kubrick took it somewhere interesting with "2001: A Space Odyssey, " which was really the most ambitious space travel movie to come out of the 1960s.

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