MacVoices #20137: Glenn Fleishman Takes Control of Zoom (Part 1) The first part of our interview with Glenn Fleishman, the author of the new Take Control of Zoom from Take Control Books, has Glenn providing some of his favorite tips for the video conferencing service from both the attendee and the host perspectives. Glenn also discusses some of the security and privacy issues Zoom has had, and how they have responded to those challenges.