Which innovative advertising technique did the World Wildlife Fund (WWF) pioneer with its 'Earth Hour' campaign that transformed conservation marketing?

Test your knowledge about innovative advertising campaigns that have made a significant impact on animal conservation efforts worldwide. Major wildlife organizations and conservation brands have developed groundbreaking marketing strategies to raise awareness and funding. This poll explores a famous advertising campaign that revolutionized how conservation organizations connect with donors and supporters. Can you identify the correct information about this game-changing initiative?

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Mass participation symbolism - asking people to turn off lights for one hour, creating a visual global statement about climate change and wildlife conservation
Augmented reality animal encounters - allowing smartphone users to 'see' endangered species in their own environment through a specialized app
Subscription-based adoption model - creating the first monthly payment system to symbolically 'adopt' endangered animals with regular photo updates
Celebrity genetic conservation - collecting DNA from celebrities to create a 'frozen zoo' to raise awareness about genetic diversity preservation in endangered species