[shahoo]

I went to the site, but my spider sense immediately started tingling.

[kcbanner]

From the description it looks like all computation happens client-side. However, you could verify this with the Webkit network tools.

[mikeleeorg]

I had the same reaction.

A big recommendation would be to have the value stated up-front, alongside the big Connect to Facebook button. Like: put all of the /about/ content in a column next to that Facebook button.

[billybob]

A slight improvement would be if you can export to a file, which is importable via Gmail's own interface. I'd still be trusting you with my Facebook login, but I'd be keeping my Gmail login secret.