Robert Fitzpatrick stated if you take 5 friends and have them each recruit 5 people you'll get 25. "What they don't show you is that you could only do that 13 cycles and you would exceed the population of the earth." It would take 15 cycles to exceed the population of the earth (30,517,578,125) while 13 cycles is only 1,220,703,125. The correct number for 13 cycles is 6 (as seen on Wikipedia under "pyramid scheme") totaling 13,060,694,016.