If you don't know what paypal is basically they are a way of sending money across the net to other people. Very very useful. Anyway, you can earn $5 (and I also get $5 so would appreciate it!) if you do the following.
Click here
https://www.paypal.com/affil/pal=PV78BNEHCB2LG
and then do:
f your friend is a US member:
Sign up for PayPal
Confirm their email address
Confirm a checking account
Add $250 or more by electronic funds transfer into their PayPal account
Sign up for a Money Market Fund
If your friend is an International member:
Sign up for an international PayPal account
Confirm their email address
Add a credit card
Confirm their PayPal Membership
Send a single payment of at least $100 with their PayPal account