The document discusses commerce and the browser in 2017. It notes that 50% of online commerce revenue comes from mobile devices, totaling $150 billion in mobile commerce revenue alone. While desktop conversions are still almost twice as high as mobile, the potential for mobile commerce is much larger. The document then discusses new browser APIs for payment processing and authentication that could help address issues like small screens and lengthy input processes that hamper mobile commerce. It provides links to demo pages testing out these new APIs to improve the mobile commerce experience and engagement.