In 2017, National Geographic launched which groundbreaking advertising campaign that used augmented reality to promote wildlife awareness?

National Geographic has been bringing the animal kingdom into our homes for generations, but they've also been pioneers in innovative marketing. This trivia question focuses on one of their most groundbreaking advertising campaigns that redefined how wildlife content could be promoted to the public. Test your knowledge about this iconic wildlife brand's marketing history!

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"Photo Ark" - where people could use their phones to project endangered species into their environment with facts about conservation status
"Safari Live" - which placed virtual safari guides in urban settings giving real-time wildlife tours to passersby
"Extinct" - where endangered animals appeared to break through digital billboards and roam city streets
"Planet or Plastic?" - featuring holographic marine animals trapped in virtual plastic that people could free by pledging to reduce plastic use