Which innovative retail marketing strategy did the World Wildlife Fund (WWF) first use in 2008 that revolutionized conservation merchandise?

In the competitive world of wildlife conservation merchandise, innovative marketing campaigns can make a significant difference in raising awareness and funds. This trivia question focuses on a groundbreaking retail marketing strategy that transformed how conservation organizations promote their products. Test your knowledge of how retail marketing intersects with wildlife conservation efforts!

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The 'Adopt an Animal' program with plush toys representing endangered species
The 'Earth Hour' blackout merchandise campaign
QR code tags on products linking to live wildlife cameras
Augmented reality packaging showing animals in their natural habitats