The upside-down ketchup bottle earned its inventor 13 million dollars.
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Jon Bon Jovi has a restaurant that has no prices; guests pay whatever they can or volunteer in exchange for their meal.
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There's a café in France which charges €7 for a coffee to rude customers and €1.40 to people who talk politely to staff.
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As part of an advertising campaign, Molson, a Canadian beer company, strategically placed 'beer fridges' around Europe that only Canadian passports could unlock.
11
In 2013, Candy Crush made $850,000 per day!
13