I don't see this subject talked about much, so I thought this would be a good opportunity for me to say something about this. The importance of putting your information such as your id number in downline builders in sites you're promoting. A referral might sign up for free on the particular site your promoting, but they may pay for a site on your downline builder. I know for myself I need to finish putting all my information in downline builders. It's a lot of work, but well worth it.
Just my thoughts.