Open source

https://www.websiteplanet.com/blog/what-is-open-source-software/

http://news.cnet.com/8301-13505_3-10422013-16.html
Open source became big business in 2009 by Matt Asay
This article discusses the role that google played in facilitating open source movement.

http://bits.blogs.nytimes.com/2009/07/23/open-source-backers-march-on-washington/

Open source supporters pushing for the government to be required to at least consider open source options in their buying decisions. The movement has founded an organization for supporters called Open Source America.