Apple executives on stage showed off its new phones displaying AR apps, including one built by Major League Baseball that lets spectators attending a live game see player statistics when they hover their phones over a particular athlete. (fortune.com)
Although you can also look at football helmet ratings, the NOCSAE cautions «against an over-reliance on any individual data point, rating or measurement which could lead to inaccurate conclusions or even a false sense of security that one helmet brand or model guarantees a measurably higher level of concussion protection than another for a particular athlete.» (verywellfamily.com)
But the stiffness and shape of a blade can not be changed once it has been fitted to the runner, as it is custom - optimized for a particular athlete to run under very specific conditions. (scientificamerican.com)