One last thing, given you do not know anything about s2f was constructed, what models are it is ridicolous and absurd you say I drew a line in a graph. PlanB model is based on finding a power law (drawing a line in a graph as you said) but he drew it between 3 blobs. LOL. That is really bad modelling but I'm sorry you are so ignorant, and it is the right word no offense, of how s2f or any model is created that you don't even know that.