Please see Tinder and the Dawn of the “Dating Apocalypse”
Social dating is vaporware. Online Dating for serious daters does not need to be more social, it needs to be more effective/efficient. It needs to reduce the false positives problem and big data dating IS NOT the key to long-lasting romance. The key to long-lasting romance is STRICT PERSONALITY SIMILARITY and not "meet other people with similar interests". Innovations are not adding more bells and whistles to actual online dating sites.
Please read: The 8 tips to innovate in the Online Dating Industry!