For example, WhatsApp restricted the number of times a user could forward something, and developed automated systems that detect and flag objectionable content. On Feb. 27, however, he admitted from his Russian-language account that "Telegram channels are increasingly becoming a source of unverified information related to Ukrainian events." False news often spreads via public groups, or chats, with potentially fatal effects. WhatsApp, a rival messaging platform, introduced some measures to counter disinformation when Covid-19 was first sweeping the world. In the United States, Telegram's lower public profile has helped it mostly avoid high level scrutiny from Congress, but it has not gone unnoticed.
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