In 1972, I founded ListenUp Corporation. ListenUp now employs over 100 people and operates three consumer electronics stores in Colorado, an e-commerce website, a design center, a professional showroom, and a repair center. In addition, ListenUp designs, installs, and services everything from simple stereo systems to home theaters, large scale public address systems, board room multi-media systems, networks, automation, lighting control, telephones, and security. Check out ListenUp.