Open-source ways to Make Money?

For me open source is not a business model at all ! And why price on this paper about open source is so high ? Characteristics of Open Source Software Vendors: Results from IDC’s 2008 OSS Vendor Survey Matthew Lawton Photo

By: Matthew Lawton Program Director, Software Business Strategies Printed Page Length – 20 pages and Price – $ 4,500 !!!

Comments by cnet.com –  IDC survey proves open-source software as viable business model