Same-day delivery for online orders is a hot trend in retail, and Staples is hopping on the delivery van to compete. The office supplies retailer has a unique advantage, though: they don’t need to team up with a ride-hailing service or hire independent contractors to make deliveries. They already have a fleet of delivery drivrs and vehicles.

You may not have come in contact with these drivers before, but they exist to make deliveries to the company’s corporate supply customers. Those customers were the reason why Staples wasn’t allowed to acquire Office Depot.

The Federal Trade Commission argued that the two companies are…