While working towards a PhD, Brett Walker, CEO of CircuitScribe, came up with the idea to create a conductive ballpoint pen that can draw circuits on paper. While entering the big box stores, and understanding the B2C world, Brett has also built a successful B2B company focusing on conductive materials for consumer electronics. Tune in as he shares the benefits of each style of business from a very hands-on perspective, along with many lessons while building and testing products