https://www.reuters.com/article/us-health-coronavirus-zoom/zoom-pulls-in-more-than-200-million-daily-video-users-during-worldwide-lockdowns-idUSKBN21K1C7

Zoom's daily users ballooned to more than 200 million in March from a previous maximum total of 10 million, the video conferencing app's boss Eric Yuan said on Wednesday, as it fought to dispel concerns over privacy and "Zoombombing".