Which revolutionary marketing campaign technique first allowed consumers to 'adopt' endangered animals virtually with real-time updates about their specific animal?

In the competitive world of retail and e-commerce, even wildlife conservation organizations must innovate with their marketing strategies to capture public attention and support. This poll tests your knowledge about a groundbreaking marketing campaign that revolutionized how conservation organizations connect with potential donors and supporters. Do you know which innovative approach created unprecedented engagement for wildlife protection?

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

World Wildlife Fund's 'Adopt an Animal' program (1973)
National Geographic's 'Photo Ark' campaign (2006)
The Nature Conservancy's 'Sponsor a Species' initiative (1990)
Conservation International's 'Wildlife Guardian' program (1985)