<Tr> <Td_colspan="2"> <Table> <Tr> <Th> Android </Th> <Td> 10.23. 16 / December 22, 2017; 11 days ago (2017 - 12 - 22) </Td> </Tr> </Table> </Td> </Tr> <Table> <Tr> <Th> Android </Th> <Td> 10.23. 16 / December 22, 2017; 11 days ago (2017 - 12 - 22) </Td> </Tr> </Table> <Tr> <Th> Android </Th> <Td> 10.23. 16 / December 22, 2017; 11 days ago (2017 - 12 - 22) </Td> </Tr> <Tr> <Th> Development status </Th> <Td> Active </Td> </Tr>

What year was facebook and snapchat created who were the creators