CHICAGO (WLS) -- Tickets went on sale Tuesday for October's Chicago Ideas Week festival.
Some people in the Loop got a preview and a ticket to the festival. An event in Daley Plaza let people throw yellow paint-filled balloons at a message wall. If they hit the target, the paint caused a positive message to appear.
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There were some celebrity balloon throwers as well, like former Bear Israel Idonije.
Chicago Ideas Week runs Oct. 16 to 22. For more information and to purchase tickets, click here.