P1: PC vs. Hybrid car(marker: Similarly)-club
P2: automobile club: enthusiasts; social in nature;an identity built around a new consumer role
P3: automobile club: reliability contest; discontinue-social fact
7.29 3min
P1:market repels 案例: PC:主题-anti centralized computing,主体-investors、founders;hybrid car:主题-environmental,主体-consumers、regulators
P2:转至automobile。主题:modern solution to the problem of transportation,主体:clubs of enthusisasts
P3:clubs组织contests-prove automobiles are reliable