In your case, but in mine, my circle of friends are just computer casual users, and Facebook invites are not mandatory to join, you can go to www.facebook.com a

In your case, but in mine, my circle of friends are just computer casual users, and Facebook invites are not mandatory to join, you can go to www.facebook.com and join there, no invite required, you can tell your Friends to go there and join and not to "hey, waith till I send you an invite", and that's another issue.