The group video chat app Zoom has been No. 1 in the Apple store for more than a month, growing 740 percent in the last month, according to App Annie. The company, valued at $47 billion, now boasts 300 million daily participants. Success spurs competition, and Zoom is now in the crosshairs of Big Tech and telecommunications companies. After Facebook chief executive Mark Zuckerberg urged a focus on completing its video chat projects, the company launched Messenger Rooms for as many as 50 people. Continue reading Facebook, Google and Others Challenge Zoom’s Dominance