Want to know who joined Facebook because of your invites? Well, now Facebook shows the history of all the people that have joined Facebook from the Invites you have sent out through Mail.All you need to do is visit this link to see all the people that have joined Facebook because of you.
You can also see which of your Friends has had the most number of people join Facebook through their Invitations by visiting this link.A list such as the one shown below can be seen by you.
A very good tool by Facebook, also see How to Trick Prank Your Friends on Facebook?
