Which innovative marketing strategy helped the World Wildlife Fund (WWF) dramatically increase donations for endangered species conservation in 2008?

Conservation organizations have increasingly leveraged innovative marketing strategies to raise awareness and funding for endangered species protection. One particular campaign revolutionized wildlife conservation marketing by creating an unprecedented emotional connection between consumers and endangered species. Test your knowledge about this groundbreaking marketing approach that changed how conservation organizations communicate their mission.

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The 'Adopt an Animal' symbolic adoption program that lets donors receive a stuffed animal and certificate for their contribution
The 'Last Selfie' Snapchat campaign featuring endangered animals with disappearing images mirroring their potential extinction
The 'Earth Hour' campaign encouraging people to turn off lights for one hour to raise awareness about climate change impacts on wildlife
The 'Ivory Ella' merchandise partnership where clothing featuring elephants donates proceeds to wildlife conservation