Cisco says Webex video-calling service is seeing record usage too, even as competitor Zoom draws all the attentionCNBC • 03/17/20
Demand for Microsoft, Google, and Zoom's Video Conferencing Software Surges Amid the Coronavirus OutbreakThe Motley Fool • 03/11/20
Zoom Video Communications, Inc. (ZM) Shares March Higher, Can It Continue?Zacks Investment Research • 03/10/20