Model: 3 characteristics Contagiousness Little changes can have big effects Change happens not gradually but at one dramatic moment (=Tipping Point)

Abandon the expectations about proportional change

Model: 3 agents of change The law of the few (exceptional people) The stickiness factor The power of context

Model: 3 types of people impact the tipping point massively Connector (people specialist) ‘social glue’ Maven “one who accumulates knowledge” (information specialist) ‘databank’ Salesmen (persuasion specialist)