Logic+Emotion featured an article called Visualizing Chris Anderson’s “Free” Model.
- Free 1 : Kinda like the concept often used by Telecom operators. Buy a subscription and get the mobile phone for free. (Too bad this concept isn’t allowed by law in Belgium…. “Koppelverkoop”)
- Free 2 : The concept where the whole web 2.0 is running towards… Offer something for free to your community, but let an external party pay for their “subscription” by means of advertising.
- Free 3 : Shareware meets web 2.0… Get a limited version for free, but pay for the premium version.
You might also want to read the original article…
Karim Vaes 
Update…