That's an excellent idea. I went with Facebook login because it was the simplest thing I could think of to do before launching - I will be adding "regular" acco

That's an excellent idea. I went with Facebook login because it was the simplest thing I could think of to do before launching - I will be adding "regular" account creation with email addresses very soon. It would be awesome to be able to say "hey, this looks like a receipt, would you like to archive it?" if I could do it accurately.