Which innovative product design approach revolutionized wildlife conservation marketing by allowing people to 'adopt' endangered animals with real-time tracking?

In the world of animal conservation, marketing campaigns play a crucial role in raising awareness and funds. Organizations must create innovative strategies to connect with potential donors and advocates. This trivia question focuses on a groundbreaking marketing approach that revolutionized wildlife conservation fundraising and significantly increased public engagement. Test your knowledge about how technology and creativity intersected to create one of the most successful wildlife conservation marketing campaigns in recent years.

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WWF's Digital Animal Passport program that creates blockchain-verified certificates for adopted animals
National Geographic's 'Wildlife Lens' AR app that superimposes endangered animals in your home environment
The WildTrack IoT collar system that sends adopters live location updates and behavior patterns of their sponsored animal
Conservation International's 'Species Subscription Box' delivering monthly artifacts related to adopted animals