Lol @ Tim Cook pretending Apple actually supports Web Apps under oath. Safari's PWAs lack many features on iOS (push notification, time limits on storage, etc.) & your app'll get banned from the App Store try to circumvent this crippled experience by just wrapping a WebView.
Cybrespace is an instance of Mastodon, a social network based on open web protocols and free, open-source software. It is decentralized like e-mail.