Killed by Microsoft
Microsoft has shut down 6 AI products tracked here — 4 apps, 1 models, 1 services. By year: 2007: 1, 2016: 1, 2023: 1, 2024: 2, 2026: 1. The first was Microsoft Clippy (January 1, 2007); the most recent is Microsoft MAI-Image-2 & MAI-Image-2e (August 15, 2026). Each tombstone links its source.