Amazon is notorious for this kind of challenge. They offer tiny rewards for huge breakthroughs and then they own any IP submitted. The picking challenge is like this.<p>"Each Entrant hereby grants Sponsor and its affiliates a non-exclusive, perpetual, irrevocable, worldwide, and royalty-free license to make, have made, use, sell, offer for sale, import, export, license, exploit, promote, reproduce, make available, publicly display, publicly perform, create derivative works of, and otherwise exercise all intellectual property and other rights in and to any concepts, works, inventions, information, designs, programs, or software that Entrant or his or her Entrant Team develop or submit in connection with the Competition or the creation of the Socialbot,"<p>Don't let your talented friends throw their IP into this pit!