↑ Hunter Davies. «Chapter 12. Equipment». «Chapter 12. Equipment». Boots, Balls and Haircuts: An Illustrated History of Football from Then to Now. They buy your data – SSNs, DOB, home addresses, health information, contact details – and sell it to the highest bidder. ↑ «Numbers on the back». ↑ «¿Cómo se asignan los números de …