In celebration of centennial, The Rockefeller Foundation is calling on your ingenuity to chart new paths, paths that will transform the lives of billions working in informal economies across the globe.The Rockefeller Foundation Centennial Innovation Challenge ("Challenge”) is open only to entrants who are (a) persons age 18 or older at the time of entry, or (b) public or private organizations (e.g. not-for-profit organizations, governmental, non-governmental and inter-governmental organizations, private businesses, academic institutions, associations, guilds, membership organizations or municipalities) (each, an "Entrant”).