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Awwwww! Darling little "microphilanthropy" social site Causecast didn't nab the grand prize at this week's big San Francisco startup beauty pageant. So we love it even more. Pictured here is the main reason why: Causecast's director of business development, Sloane Berrent, who's eye-catching in a way even the most granola of nonprofit crusaders can feel good about. Causecast's approach may be glossed-up and Hollywood — Berrent and company livestreamed onetime Playmate Jenny McCarthy for their demo. We just don't know who's more deserving of Causecast's charity: washed-up starlets aiming to prove they're more than just a pretty face, or their supposed beneficiaries. (Photo by Brian Solis/Bub.blicio.us)