Any successful organization knows a good sign is great for business. For more than a century, Seattle's National Sign Corporation has designed some of the city's most iconic signs. Notable clients include Pike Place Market, Dick's Drive-In, Anthony's Restaurants and REI. Western Neon has also illuminated the city with its distinctive signs. Now the company is sharing some of its secrets, offering classes in neon design. We also step back in time and search for some of the area's ghost signs before they fade away. Host Enrique Cerna has these stories from around town.