When a retailer takes customer experience to heart, they understand what it takes to keep customers happy and loyal in order to build a high-value brand that will see them through to the next century. And that is exactly what Marks & Spencer, a 130-year old British multi-national retailer specializing in home products, clothing, and luxury food items, has done. Simply put, Marks & Spencer have created, built, and sustained a brand that has thrived for more than a century....