<Tr> <Th> Untappd </Th> <Td> Beer check - in social network . </Td> <Td> 000000002010 - 10 - 01 - 0000 October 2010 </Td> <Td> 7006320000000000000 ♠ 3,200,000 </Td> <Td> Open </Td> <Td> 7004155090000000000 ♠ 15,509 Untappd.com Site Info . Alexa . Retrieved 10 August 2017. </ ref> </Td> </Tr> <Tr> <Th> Uplike </Th> <Td> General </Td> <Td> 000000002011 - 01 - 01 - 0000 2011 </Td> <Td> 7006105003900000000 ♠ 1,050,039 </Td> <Td> Open </Td> <Td> 7002288000000000000 ♠ 288 </Td> </Tr> <Tr> <Th> VK </Th> <Td> General, including music upload, listening and search . Popular in Russia and former Soviet republics . </Td> <Td> 000000002006 - 09 - 01 - 0000 September 2006 </Td> <Td> 7008249409900000000 ♠ 249,409,900 </Td> <Td> Open </Td> <Td> 7001380000000000000 ♠ 38 </Td> </Tr> <Tr> <Th> Vampirefreaks.com </Th> <Td> Gothic and industrial subculture </Td> <Td> 000000001999 - 01 - 01 - 0000 1999 </Td> <Td> 7006193104900000000 ♠ 1,931,049 </Td> <Td> Open to users 13 and over </Td> <Td> 7004210520000000000 ♠ 21,052 </Td> </Tr>

Which one of the following is a social network