Just reading again this 2 years old post where it is explained that "the OkCupid team signed a deal to stay on for a year and is focused building a Badoo clone that will get profiles via facebook to compete in " the casual dating / social dating space.
Tinder, dating application from IAC, for casual dating. "online dating" is a broad concept to define a large group of different proposals.
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.
What will come after the Social Networking wave?
The Next Big Investment Opportunity on the Internet will be .... Personalization!
Personality Based Recommender Systems and Strict Personality Based Compatibility Matching Engines for serious Online Dating with the normative 16PF5 personality test.