We reached out to Zoom in an effort to determine whether meeting participants are notified if and when hosts enable attendee attention tracking, but received no immediate response.However, there's more: That said, Zoom does use certain standard advertising tools which require Personal Data (think, for example, Google Ads and Google Analytics).

The home confinement of hundreds of millions of people worldwide to halt coronavirus contagion has presented intelligence services with a challenge: monitoring an explosion in internet traffic, above board and not, even as their own capacity is reduced.

The issue lies in Zoom's "Company Directory" setting, which automatically adds other people to a user's lists of contacts if they signed up with an email address that shares the same domain.