
Guru's Tech Bytes — April 28, 2026
Good morning, it's Tuesday. This is Guru's Tech Bytes, episode 25. First up, the big one: Microsoft and OpenAI have ended their exclusive partnership, scrapping the revenue-sharing arrangement that's underpinned their AI alliance since 2019. Eight hundred and ninety-nine upvotes on Hacker News suggest the industry had a few thoughts. Microsoft is now free to spread its affections across the entire AI landscape — which, knowing Microsoft, was probably the plan all along. Second, a rather unsettling breach at Mercor: four terabytes of voice samples, collected from forty thousand AI contractors…
The skinny
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