The LinkedIn Economic Graph Challenge invites participants to propose ideas for creating positive economic opportunities for the global workforce, adhering to specific terms and conditions. Participants must be legal U.S. residents aged 18 or older, and the challenge spans from registration opening on October 14, 2014, to entry submission by December 15, 2014. Winners may receive a $25,000 cash award, access to LinkedIn data for research, and funding for travel to present their findings to LinkedIn executives.