Under Armour will debut its latest piece of technology – the E39 – at the NFL Scouting Combine. The 4.5 oz chest button measures acceleration, heart rate, horsepower, and other stats that seem important.
What does the thing actually do?
One number not measured: Under Armour’s stock price – up 152 percent year over year – which will only continue to climb.
(H/t Darren Rovell)