The founder of Telegram, which has nearly a billion users, planned to HQ the company in San Francisco until he got attacked walking its streets https://t.co/S8qbDmtqJ5 https://video.twimg.com/ext_tw_video/1780653970484072449/pu/vid/avc1/1080x590/iVEGwm18QNu3QM0d.mp4?tag=12