MASHABLE - Jan 18 - The social platform has become, in many ways, an informal dating site for queer and trans youth. While adults have access to Tinder and OkCupid, LGBTQI youth are left in the digital dark. Facebook requires people to use their real identities. Twitter relies on 140-character soundbites. Tumblr - more visual than Twitter, more private than Facebook, less horrible than Reddit - lets youth create new screennames, craft new identities.