I saw an ad today for Shawn Springs company.  So I googled and found this Ted talk he did in Columbus on helmet safety (it is 13 minutes long).  https://www.youtube.com/watch?v=mr_4n4sXWyc.  Here is the 30 ad for his company https://www.ispot.tv/ad/di4o/nfl-the-future-of-football-windpact-featuri...