I seem to remember that there was a way to invite your facebook friends who had already applied for testing. Is this still valid? I can't remember how it was done. Anyone can help me?
It only happens when they allow invites to be sent. I was confused at first, too.
In the last round of testing they let everyone invite 2 people from Facebook. There was a link to the page, and it'd show your friends that had applied through Facebook, and you could click invite by their name.
When they do that again, you can invite people again.
Yes, on the home page there will be a little blurb above the news feed that says, "We're allowing everyone to invite two people from Facebook! Click here to see if you have any friends to invite!" That's where I meant the link to the page to invite them from was. Sorry for not being clearer on that point.