The CEO of Polar USA shows us the company's new wearable, and Jon gets some feedback on his workout! Plus how blockchain technology can help secure the food supply chain. How Harvey got so powerful. Netflix fighting with Hollywood's big movie studios over 4K. And we're live from a new Muppets exhibit honoring the legacy of Jim Henson. Plus Jon plays a joke on Cheddar's President and COO. Those stories and more on Opening Bell.