I'm sorry but there are innumerable solutions for multi-provider authentication. Unless you only spent marginal time on it. In that case, I'd wait for solicitin

I'm sorry but there are innumerable solutions for multi-provider authentication. Unless you only spent marginal time on it. In that case, I'd wait for soliciting feedback from a potentially Fb-skeptical crowd. Feel free to ping me when you get that part done; you almost had me playing.