The app is still in beta testing, so it s not open to the general public just yet, but everyone who joins gets two invitations they can extend to others. People can join by signing up for the waiting list in the app store or scoring an invitation.
De Vaughn Jones, a Twitter user selling invitations for $50, said he has had a few people interested in buying but thought their offers were too low. He came up with the idea of selling them after seeing others do the same on Twitter. If there s a market for it, why not try my hand? he said.