https://www.theregister.co.uk/2018/07/13/for_goodness_sake_people_cut_down_on_the_meetings_microsoft/

Microsoft yesterday squeezed out a couple of technologies aimed at encouraging teams to adopt a healthier approach toward meetings and, you know, maybe think a bit before firing off that midnight email.

The first, Workspace Analytics solution for teamwork (now in preview), slurps data from a variety of Office 365 sources, including calendars and mailboxes to gauge just how much time users are spending doing actual focussed work as opposed to trying not to be noticed in meetings.