The biggest part of the graveyard is the profitable part of nearly every print newspaper.

Is it fair to list okcupid as a direct competitor? I think dating sites, with the social profile aspect, is almost fundamentally different than a personals ad.

I guess you could argue that is the case with airbnb, but I don't think the transaction type is more limited than the kinds that happen in relationships.

Maybe the better comparison would be PlentyOfFish

AFAIK OKCupid has never considered craigslist to be a competitor

LesPAC.com is popular in Quebec (Being French). Kajiji and LesPAC both get buyers up there.