Been eagerly waiting for this. Starts tomorrow on History.
https://www.youtube.com/watch?v=U4EmfM9isHo
https://www.youtube.com/watch?v=U4EmfM9isHo
follow_along_with_video_below_to_see_how_to_install_our_site_as_web_app
Note: this_feature_currently_requires_accessing_site_using_safari