“People whose cars were wrapped with ads for two Coca-Cola products (…) were cautioned against sipping Pepsi products behind the wheel. Nor could they park at restaurant chains like KFC or Pizza Hut that serve Pepsi exclusively.”

““I tell my guys, ‘If you’re in rush hour, find the slowest lane and sit in it,’ ” Mr. Morris said. “I’ll pay for the time and gas. The people behind you can’t help but sit and stare.””