Silhouettes of mobile users are seen next to logos of social media apps Signal, Whatsapp and Telegram projected on a screen in this picture illustration taken March 28, 2018. REUTERS/Dado Ruvic/Illustration
Silhouettes of mobile users are seen next to logos of
Silhouettes of mobile users are seen next to logos of social media apps Signal, Whatsapp and Telegram projected on a screen in this picture illustration