Which pricing strategy did Guinness World Records implement in 2008 that revolutionized their business model?

The Guinness World Records brand has been documenting extraordinary achievements since 1955. Originally created to settle pub arguments, it has grown into one of the most recognized authorities on record-breaking achievements worldwide. This poll tests your knowledge about the business and brand history behind this iconic record-keeping institution.

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They introduced a paid application fee for world record attempts, creating a new revenue stream
They switched to a freemium model where basic records were free but 'premium' categories required payment
They adopted dynamic pricing where record certification costs varied based on the popularity of the category
They implemented subscription pricing where record holders paid annual fees to maintain their titles