Best known for his roles in Speed, Bill and Ted's Excellent Adventure and the Matrix trilogy, actor Keanu Reeves combines boyish good looks with a Zen-like, almost spiritual calm.

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His wife, the Italian actress Monica Belluci is a big name in her own right, and has starred in the last two films of the "Matrix" trilogy as well as acting alongside Cassel in a number of movies.

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"This is kind of like the flying skateboard, " said Jared Fliesler, a general partner at venture capital firm Matrix Partners, referencing the still-not-here hoverboards from the "Back to the Future" trilogy.

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