For example, WhatsApp restricted the number of times a user could forward something, and developed automated systems that detect and flag objectionable content. READ MORE Russian President Vladimir Putin launched Russia's invasion of Ukraine in the early-morning hours of February 24, targeting several key cities with military strikes. "This time we received the coordinates of enemy vehicles marked 'V' in Kyiv region," it added. Despite Telegram's origins, its approach to users' security has privacy advocates worried.
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