DoorDash is about to make a huge move into grocery delivery, but instead of going all out as a delivery service on its own, it’s instead going to be working behind the scenes to power delivery networks for larger companies — with Walmart as its first big partner.
While Instacart looks to control the end-to-end customer experience for grocery delivery, and Amazon is off doing Amazon-y things with its Whole Foods delivery system, DoorDash is hoping it can build a network that any company...