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Thank you for participating and good luck!
I had written about it a few days ago. They invite users to write their experience or post their binance photos and earn BNB or swag
You can see more here:
https://www.binance.com/en/support/announcement/haveyoubinanced-join-our-social-media-community-giveaways-to-share-13-000-in-bnb-rewards-exclusive-binance-merch-8c1990cb625a48d2a58efdd5b76df199?hl=en