What we know for sure is that the yacht, which has been christened Mariya, was built specially for him.

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Russia's Mariya Savinova surged past the 2008 Olympic champion on the last 100 meters and won the women's 800-meter run Saturday.

WSJ: Social Media

Attendee Mariya Genzel launched her company SayHired, and Sophia Perl developed the app Eventabulous, which was later invited to participate in AppNation 2011.

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