Why it worked
The post taps into the seasonal excitement around Starbucks' fall menu and addresses a specific dietary concern (gluten-free) that resonates with a significant audience, making it highly shareable and engaging.
Summary
This photo post highlights Starbucks' fall beverage menu, emphasizing that for the first time, all their fall drinks are gluten-free. It also showcases new at-home products and mentions the removal of the Apple line which mostly contained gluten.