Few customers and even fewer prospects will use your app — but they will visit your website on their phones. Alas, when they arrive, their experience — even on your new responsive site — is sad. (Customers rate your app. How would they rate your mobile web?) We asked 59 mobile web experts if there's a better way. Their advice? Put aside 20 years of desktop web legacy, and reinvent the role mobile web plays in customer engagement. As a digital business professional, it's time to start over and build progressive, app-like mobile web experiences.