Stocks dropped on Friday afternoon, as gains made earlier in the day on hopes for diplomatic progress between Russia and Ukraine turned to losses. Technology stocks were hit particularly hard by higher bond yields. But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat. Anastasia Vlasova/Getty Images For example, WhatsApp restricted the number of times a user could forward something, and developed automated systems that detect and flag objectionable content. The Russian invasion of Ukraine has been a driving force in markets for the past few weeks.
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