Social Commerce and Social Shopping

Overview of online payment methods by Mathias Fiedler

Inflight and the Internet –The Last Frontier

Monetization of Facebook Apps

Why not let the people pay for Wikipedia?

Monetization Models with Performance based Affiliate Marketing for the Web 2.0

How to monetize Web 2.0 applications and win 1,000,000 EUR venture capital

Re use of wiki loves monuments photos as a hurdle race