Sonic’s New #SquareShake is First Milkshake Designed for Instagram

Fast-food restaurant Sonic will debut their new line of milkshakes with a campaign especially designed for Coachella. On April 16, festival-goers will be able to order a #SquareShake exclusively through Instagram and pay by posting a picture to their accounts.

Source: ‘Instagram-Exclusive’ Milkshake Hints At The Future Of Social Commerce

It’s for the Coachella music festival, but it’s not difficult to imagine Sonic or some other major (or regional) brand rolling out a similar promotion.