12 Days of Yellowstone giveaway - By entering the Yellowstone.ai '12 Days of Yellowstone Giveaway,' you agree to the Official Rules and confirm that you are 18 years or older and a legal U.S. resident. No purchase is required. Giveaway entries are collected through interactions on social media and through the optional Yellowstone.ai email list. This giveaway is managed by Yellowstone.ai and is not affiliated with Meta, Facebook, or Instagram in any way.