History of roulette

Hi,

I have been searching informaion about the game of roulette, the issue is that i have been doing the research and only could find general information really complex systems and would like to know whats the diference between a betting system and a strategy system, tks a lot, heres a link i found on the second... info-roulette.info/Index.asp?ID=18

if you have any new information please post it here.. i would be very glad..