As part of a campaign to end childhood obesity, the $40,000 contest calls for innovators to incorporate U.S. Department of Agriculture nutritional data into games and tools.
Chicago's first Web site overhaul in nine years improves transparency, provides access to social media tools and runs on an open source operating system.
Despite some political objections, state officials say high-tech machines that register identity data could help the state crack down on fraud and save tens of millions of dollars.
