Free Economy by Christian Dahlhausen

Free Economy

Digital Free Sample Model

Standard version for free, Premium version for sell

Cross-Subsidiaries

Gilette: Razor free, Blades cost

Cell phones free, Minutes for sell

Digital goods

Low marginal cost / almost zero

Free Sample model

One free muffin, the rest to sell

Gift economy

Wikipedia

Blogosphere

Craigslist

Music industry

Give up of privacy often, cant eliminate traces