Starbucks, the world’s leading coffee chain, has yet again demonstrated its knack for creative marketing with the introduction of its now-annual “Yay Day” celebration. Scheduled for 30th October 2023, this one-day event is a treat for Starbucks Rewards members, who can enjoy a whopping 50% discount on any handcrafted beverage. Starbucks Yay Day “Yay Day” …