What we found
Zoom: FIn August 2023, Zoom updated its terms of service to grant itself a perpetual, worldwide, royalty-free licence to use customer content for AI training.
March 2023 ToS: 'perpetual, worldwide, royalty-free, sublicensable license' for all video/audio/chat for AI training. No opt-out. CEO: 'process failure.' Reversed Aug 2023 only after backlash from EFF, Bellingcat, and millions of users.
Google Meet: DCalls aren't encrypted end-to-end.
No E2EE for standard meetings. Recordings in Google Drive (Google-held keys). Meeting metadata feeds ad profile. PRISM since 2009. 150K+ govt requests/year, ~80% compliance. CSE only for enterprise.
Microsoft Teams: DMeeting transcripts from Teams are stored in OneDrive, indexed by Microsoft's compliance search tools, and now processed by Copilot AI — the same system conn...
Transcripts in OneDrive, searchable via Purview eDiscovery. Copilot processes audio real-time. Same infrastructure as Outlook (801 partners), DiagTrack, Recall. Telemetry on idle Windows. No technical separation from ad/AI pipelines.
Skype: D22 years of conversations.
Microsoft announced Skype's shutdown in May 2025, forcing 300+ million users to migrate to Microsoft Teams. 22 years of chat history, contacts, and shared files — users were given months to migrate or lose everything. Microsoft acquired Skype for $8.5 billion in 2011, then slowly starved it of features while building Teams. The company that bought your communication platform killed it and forced you to a different product.