This already exists, just not fully on mobile yet, but it's coming. http://w3c.github.io/push-api/ http://w3c.github.io/push-api/ https://developers.google.co

This already exists, just not fully on mobile yet, but it's coming. http://w3c.github.io/push-api/ http://w3c.github.io/push-api/ https://developers.google.com/web/updates/2015/03/push-notifications-on-the-open-web https://developers.google.com/web/updates/2015/03/push-notif...