Imagine e.g. the students starts a carrer and has to show that he has good ideas,
imagine e.g. somebody needs help to start a concept for poor people in south africa,
imagine e.g. some agencies just need creative ideas on some subjects,
image e.g. you can make me proud showing my concept with some honours,
if you can show all this at different places (e.g. also at universities) than you might increase the impact of that story.
Note: "Winner" can be selected by many ways: winning concepts + teams; inspiring teams; member oder members ...