I joined SFI in April 09,2013. Back then I don't have a clue as to what is SFI all about.
In my first two months in SFI I didn't do anything up until my sponsor Mr. Henry Stevens, sent me an email explaining how paying for a membership in a gym but not doing actual work out won't help you lose weight.
Here's a Screenshot of it;
I haven't checked in detail what actually is in it for me but damn it feels good to be a champion :)