Just a small general model on tipping points (using the Bass function that can be found e.g. in Sterman's 'Business Dynamics'). The model distinguishes between first movers, early adopters and the tipping point (Malcolm Gladwell) of an adaption by the majority of potential adopters. Getting from early adopters to the majority can be named 'crossing the chasm' (by G.A. Moore). The model can be used for both, explorative qualitative modeling of factors the hinder and foster the tipping point, or a continua...