<Tr> <Th> Headquarters </Th> <Td> St. Louis, Missouri, United States </Td> </Tr> <Tr> <Th> Owner </Th> <Td> Apax Partners </Td> </Tr> <Tr> <Th> Founder (s) </Th> <Td> Bob Rosenschein, Mark Tebbe </Td> </Tr> <Tr> <Th> Industry </Th> <Td> Internet </Td> </Tr>

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