Perpetrators of such fraud use various marketing techniques to attract subscribers on their social media channels. Despite Telegram's origins, its approach to users' security has privacy advocates worried. 'Wild West' The picture was mixed overseas. Hong Kong’s Hang Seng Index fell 1.6%, under pressure from U.S. regulatory scrutiny on New York-listed Chinese companies. Stocks were more buoyant in Europe, where Frankfurt’s DAX surged 1.4%. Founder Pavel Durov says tech is meant to set you free
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