Do you dream of pushing notifications directly to the mobile browser of your users? Geolocation in the browser? Of a browser-based chatting system with video and audio directly available without needing to download a single mobile application or plugin? Of transforming your website into a fully functional web app with a launch icon and a cache system? Let's check out what HTML5 APIs and Progressive Web Apps (PWAs) can achieve to enhance the experience of your mobile users in the browser.