http://www.forbes.com/companies/google/
http://www.inc.com/drew-hendricks/6-25-billion-companies-that-started-in-a-garage.html
http://www.visualcapitalist.com/billion-dollar-companies-started-garages/
https://en.wikipedia.org/wiki/Hewlett-Packard
https://en.wikipedia.org/wiki/Mattel
http://www.retireat21.com/blog/10-companies-started-garages
https://en.wikipedia.org/wiki/History_of_Microsoft
http://www.garaga.com/blog/en/billion-dollar-companies-started-garages/
http://www.npr.org/templates/story/story.php?storyId=130197557
https://www.wired.com/2012/11/mf-james-dyson/