1) Parship. Nobody knows its brain, Dr. Hugo Schmale. Copycatted as eCift in Turkey
3) FriendScout24 BQcheck. (BeziehungsQuotienten-Check ) Prof. Dr. Manfred Hassebrauck is the brain behind that test.
4) eDarling/EliteSingles, copycats of eHarmony.
and those 5 proposals were / are HOAXES and big failures.
Those 5 failures are / will be cases of study for "Stupid Investors' series"
Lack Of Innovation & Decadence can summarize the Online Dating Industry.
C-Level executives are more worried about their golf scores than their company’s long term strategy and innovations.
C-level executives are cooking barbecues under the water (selling smoke) and not paying attention to latest research from Academics which could be beneficial for the Online Dating Industry.