This summer's viral Hamptons smoothie shows just how widespread reservation culture has become

• A Hamptons pop-up partnered with a members-only reservation app on a smoothie. • The smoothies have blown up online, as social media and reservation culture converge. • Employees and the pop-up's chef said the smoothie's identifiable look is part of the appeal.

Walk around the Hamptons this summer, and you might run into people holding a plastic cup full of lilac stripes. Look a little closer, and you'll see two small words printed on the 20-ounce container: Dorsia and Drugstore.

The words might not mean much to the untrained eye, but they represent the Hamptons' new drink of choice, from Drugstore, a summer pop-up in Amagansett operating out of a coffee shop. It's billed as a clean-eating spot, where burritos and salads are labeled with their largely organic ingredients. But more