Pieter-Jan Buysmans is the owner of CrossFit Hasselt in Belgium.He's also an innovator. When a back injury sidelined his career as a professional snowboarder, Pieter found CrossFit. Now he owns two gyms, and his systems are so dialed he ran both remotely for six weeks after a recent surgery.This time away from the day-to-day operation gave him weeks to pursue new ideas and growth--the things we call "CEO Time" in Two-Brain Business. But he's been pursuing the idea of Heart Rate Monitoring for over a year.In this second of two episodes on Tech, Pieter walks through using heart rate monitors from two perspectives: as a coach and as a gym owner. Are they effective training tools, or just a nice novelty? We're going to find out.