Even after rulebooks and statistical tools started to appear a decade later, there were only about a half-million player but the growth came after the arrival of the Internet, making it easier for team owners to access stats and team and playerinformation.
Even if we assume most players would play knowing there is extreme risk, the better law says, give each player the information and let them make the decision whether to continue to play based on that information.
The iWatch is speculated to be able to provide alert messages such as texts, emails or incoming calls, be a music player, provide medical information such as heart rate, and utilize GPS such as running routes.