If you need convincing that digital transformation is real, just take a look at the evolution in the big shopping malls near you. Dozens of malls have closed in the last 10 years, and many more are at risk of shutting down as retailers like Macy's, JCPenney, and Sears — also known as anchor stores — shutter hundreds of stores to staunch the bleeding from falling sales. The commercial-real-estate firm CoStar estimates that nearly a quarter of malls in the US, or roughly 310 of the nation's …