Free Software Bubble
This one talks about how to make money by writing open source software.
How to make money from open source?
This one tries to provide a solution to the issues presented above by redefining the role of operating systems. It goes on to provide a business model for software in which OS plays an important role.
Thoughts on OS
This one has some advise for Microsoft but seems like Apple heard it first.
Why Microsft should make windows 7 mobile free?