As Russia is cracking down on the use of Telegram, Whatsapp, and VPNs, citizens are moving to other apps that have an IM and calling feature included, such as KokoaTalk, Duolingo, or dating apps

https://www.kommersant.ru/doc/8533515

In some cases, even smart cat feeders: https://gubdaily.ru/news/ne-dumala-chto-eto-uvidyat-milliony-rossiyane-sozvanivayutsya-cherez-kormushku-kota/