I also find Downdetector's outage map interesting as a self-reported approximation of Telegram usage: <a href="https://downdetector.com/status/telegram/map/" rel="nofollow">https://downdetector.com/status/telegram/map/</a><p>Screenshot: <a href="https://etc.sanqui.net/20201216_downdetector_telegram_europe.png" rel="nofollow">https://etc.sanqui.net/20201216_downdetector_telegram_europe...</a>