Originally Posted by ravo

Also see this; http://www.buildinganempire.com/poisson2.html - heavy, but an excellent read.

One of the most important points in the article; "So if you normally get 3 signups ... per day, you are going to get 0 signups once every 20 days. This is not because there is anything wrong with your sponsor, it's just the way the distribution works.".