TrendingEntertainmentFunnyIn 1996, Richard Branson's Virgin Cola took out full-page newspaper ads warning customers about a new "blue-detecting" technology — their cans would turn bright blue when the drink expired. The public safety message? "Do not buy any blue cans." Pepsi had just launched its bold new blue can design the same week. It was a masterclass in corporate trolling disguised as consumer protection.3 days ago