Which marketing strategy helped Guinness World Records achieve the title of 'Best-selling Copyrighted Book Series of All Time'?

The Guinness World Records brand has evolved from a simple book of records into a global authority on record-breaking achievements. Behind this transformation are some remarkable marketing strategies and campaigns that have kept the brand relevant for decades. Test your knowledge about how this iconic record-keeping institution has marketed itself and its products throughout its history.

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Creating the Guinness World Records TV show that reached over 1 billion viewers annually
Distributing free copies to pubs and hotels as a promotional tool to settle bar bets
Launching the first augmented reality mobile app for record verification in 2008
Establishing global record verification offices in 100+ countries simultaneously