The most powerful way to stop showrooming is to allow customers to order online and pickup in-store. 70 percent of the top 10 retailers provide in-store pick up for e-commerce orders; however, only, 26% of the remaining retailers provided in-store pick as an option. After writing about Amazon and how Main Street USA businesses can compete, I received a message about a study from CrossView, a cross-channel commerce solutions and retail technology provider.