Business Open Source WTTW News | May 5, 2009, 7:00 pm There is a new phenomenon changing the way some technology companies are doing business. We find out about open sourcing and how it's revolutionizing the development of software. Thanks to our sponsors: View all sponsors Thanks to our sponsors: View all sponsors Related Stories CTA to Suspend Loop Elevated Train Service This Weekend for Track Maintenance Chicago Hotel Workers Expand Strike as They Negotiate Wages, Working Conditions Jamie Dimon, CEO of JP Morgan Chase, on Chicago Investments, Competitive Cities and a Corporate Head Tax Rush and Endeavor Health Announce Plans to Merge Hospital Systems Changes Are Coming to CTA, Metra and Pace. Hear From the Leaders of Their New Oversight Agency Chicago Hotel Workers Continue Strike Monday as They Seek New Contract Sign up for our morning newsletter to get all of our stories delivered to your mailbox each weekday. View the discussion thread.