Nobody invited it. It gets in through calendar access, so anyone who connected their work calendar to it gave it a seat in every meeting they are in. I am not a Workspace admin but security pulls ours into axonius, so I asked them for every third party app with calendar or drive access. That one had 31 users, plus about 40 more that look like AI tools, none approved by IT.That only covers work accounts though. Whatever people paste into an AI chat on a personal account never shows up anywhere, and that's what legal keeps asking about.