Which retail marketing milestone did the Guinness World Records book achieve that no other annually published product has matched?

The Guinness World Records book isn't just a record-keeper—it's also a retail product with its own fascinating superlatives! Since its first publication in 1955, this book has broken numerous sales records and marketing milestones. Test your knowledge about this iconic product that turned record-keeping into a global retail success story. Do you know what makes this particular retail brand stand out in the business world?

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It's the only product to have been marketed in over 200 countries simultaneously in a single year
It's the most frequently shoplifted book in retail history
It's the only product to have maintained identical global pricing for over 25 consecutive years
It's the only annually published product to have sold over 1 million copies every year for 50+ consecutive years