We thought we’d heard everything when we found out that some geeks were launching Cupidtino, a dating site geared exclusively towards Apple fans. Alas, the onslaught of niche Internet matchmaking services shows no sign of letting. From primitive dial-up BBSs to AOL (aka “GayOL”) to dating sites like gay.com. itself drove the creation of these sites and spaces, part of what Cha calls “the parallel mainstreaming of queers, nerds, and…