7 Star Service founder Ruby Newell-Legner is considered one of the leading experts in customer satisfaction in the world. Her clients include 25 professional sports teams, 60 entertainment venues, and the only 7 star hotel in the world. She has trained the guest relation staff for Super Bowl XLI, the Grey Cup, the U.S. Open (tennis) and the 2010 Olympics. Kelly » What is one of the most basic mistakes companies…