http://wego.com is my go-to PWA demo: 1 Android engineer who hadn't done web development, 3 months, and Polymer App Toolbox! So good
Turns out you need to bundle resources after some limit (a few hundred). Not something webdevs attempt. 
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Turns out you need to bundle resources after some limit (a few hundred). Not something webdevs attempt. 