We’ve all watched digital innovators demolish certain industries: video and record stores, neighborhood movie theaters, travel agents. A one-time #18 on the Fortune 500, photo film giant Eastman Kodak was felled by digital photography. But some industries and players successfully fend off digital competitors and incorporate their innovations into their daily operations. An Economist article observed that even though most banking has moved online, the average large bank is 138 years old. Walmart, the world’s largest brick-and-mortar retailer, is also the second-largest online retailer.