The Silicon Valley Community Foundation gives to a broad array of causes, especially education.

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The Silicon Valley Community Foundation issues grants for a host of causes in the San Francisco area.

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The shares have already been donated to the Silicon Valley Community Foundation, according to a filing with the Securities and Exchange Commission.

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Zuckerberg, a signatory of Bill Gates and Warren Buffett's Giving Pledge, showed his generosity during the holiday season, gifting 18 million Facebook shares to the Silicon Valley Community Foundation in December for education initiatives.

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Laura is President of the Marc and Laura Andreessen Foundation, and she sits on multiple boards, including the Sand Hill Foundation, the Arrillaga Foundation, Stanford University School of Education, Stanford Institute for Economic Policy Research, and, formerly, the Silicon Valley Community Foundation.

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Eventually, the Community Foundation of Silicon Valley agreed to our experiment.

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