According to Bloomberg, the move is part of larger logistics and operations changes at Target, which has only seen a 22 percent increase in online sales this past quarter. That's good, but still much less than Walmart's reported 63 percent growth online.

While the terms of Target's acquisition of Grand Junction were not disclosed, Bloomberg reports that the 13 employees will move to Target's San Francisco offices to start helping the retailer get products to its customers faster. "Speed matters," Target's Arthur Valdez told Bloomberg. "Grand Junction's platform, along with our 1,800 stores, allows for speed to the guest that can be very competitive."

Amazon Prime same-day delivery is the service to beat, however, with coverage for almost 30 metropolitan areas across the US as of last year alone. Amazon has been doing this for much longer, too, with Prime Now's debut as far back as 2014.