For example, WhatsApp restricted the number of times a user could forward something, and developed automated systems that detect and flag objectionable content. But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat. Pavel Durov, Telegram's CEO, is known as "the Russian Mark Zuckerberg," for co-founding VKontakte, which is Russian for "in touch," a Facebook imitator that became the country's most popular social networking site. Artem Kliuchnikov and his family fled Ukraine just days before the Russian invasion. Lastly, the web previews of t.me links have been given a new look, adding chat backgrounds and design elements from the fully-features Telegram Web client.
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