Business Chicago Tonight Vault WTTW News | April 15, 2009, 7:00 pm There is a brand new way of doing business thanks to the World Wide Web. Kris Hammond of Northwestern University introduces us to the popular phenomenon known as "crowdsourcing," and tells us how it works. Mechanical Turk Crowd Spring Threadless Crowdsourcing Examples iStock Photos Thanks to our sponsors: View all sponsors Thanks to our sponsors: View all sponsors Related Stories US Hiring Slows and Unemployment Ticks Higher With a Month Remaining Before Americans Head to Polls Daily Herald Journalists Win Union Vote to Form Daily Herald News Guild Chicago Announces Dedicated Bus Lane on Northbound Michigan Avenue Mortgages Soar as Fed Hikes Interest Rates Fall Bridge Lifts Along Chicago River Begin This Week. Here’s the Full Schedule Expanded Film Tax Credits Could Bring Billions to Illinois. Are Taxpayers Getting a Good Deal? Sign up for our morning newsletter to get all of our stories delivered to your mailbox each weekday. View the discussion thread.