LOL! Apple's EULA's are funny,This one i pretty funny too,If you look in the Itunes EULA It States:
THE APPLE SOFTWARE IS NOT INTENDED FOR USE IN THE OPERATION OF NUCLEAR FACILITIES, AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL SYSTEMS, LIFE SUPPORT MACHINES OR OTHER EQUIPMENT IN WHICH THE FAILURE OF THE APPLE SOFTWARE COULD LEAD TO DEATH, PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE.
say for example you tell your friend dave to sign up to cf. he types your username in the box on the registration page that says "referral". you get an extra 1 to your amount. everytime you refer someone to here and they do the above you get an extra 1, simple