On-demand economy startups have raised over $9.4B since 2010 to provide mobile-powered services across many categories, including food-delivery, shipping, and transportation. But while consumer-facing startups like Uber and Shyp capture investor and media attention, another less glamorous subset of companies will provide the infrastructure and services to enable their services. In 2011, Chris Dixon of Andreessen Horowitz wrote about the “shovels” opportunity that follows most major technology trends: