MongoDB

What drives engagement

Smart avg engagement per post across every post in this window. Gray rows at the bottom are under the sample floor (13+ posts per category, 13+ per format) — too few posts to trust the average.

Best day: Wednesday. Best time block: 12am–3am UTC. Timing detail is in the Cadence chart above.

Best performing posts

• 2025-10-22 · Pete Johnson · Industry Insight1.6K eng. (1.3K likes · 120 comments · 190 shares)

  It appears that ChatGPT Atlas is storing functional, unencrypted oAuth tokens in a SQLite database with 644 file permissions. I am hardly a …

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• 2025-10-27 · Crystal Tang · Hiring / Recruiting472 eng. (415 likes · 34 comments · 23 shares)

  I'm hiring my first Ventures Intern! If you have a technical background and are passionate about ventures and startups, I'd love to meet you…

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• 2026-02-19 · Pete Johnson · Industry Insight271 eng. (244 likes · 23 comments · 4 shares)

  OpenAI is closing a $100 billion funding round. But look at who's writing the checks: Amazon ($50B), SoftBank ($30B), Nvidia ($20B), Microso…

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• 2026-03-16 · Pete Johnson · Industry Insight234 eng. (210 likes · 21 comments · 3 shares)

  Jensen Huang spent 90+ minutes on the GTC stage today talking to 30,000+ people, but one slide revealed his real audience: a handful of hype…

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• 2026-02-24 · Pete Johnson · Personal Story233 eng. (195 likes · 38 comments · 0 shares)

  I open a lot of keynotes & customer meetings with this picture, which was taken 44 years ago today on my 12th birthday. The best technology …

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Worst performing posts — settled posts only (published ≥7 days before the data edge)

• 2025-10-19 · Pete Johnson · Industry Insight0 eng. (0 likes · 0 comments · 0 shares)

  ICYMI or like a longer written form, here are some free Substack thoughts on ChatGPT Apps potential impact on user experience . . . https://…

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• 2025-10-16 · Pete Johnson · Industry Insight1 eng. (1 likes · 0 comments · 0 shares)

  The accuracy of the prior version of this diagram lasted less than 2 hours, thanks to today's news. Here's the Jordan Novet's reporting of t…

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• 2025-11-17 · Pete Johnson · Industry Insight1 eng. (1 likes · 0 comments · 0 shares)

  Apoorva does a great job with this series . . .

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• 2025-12-11 · Pete Johnson · Meme / Humor1 eng. (1 likes · 0 comments · 0 shares)

  Apologies to my NFL fan friends, I fell behind while on vacation and at re:Invent. FWIW, both agents like the Bucs straight tonight

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• 2025-12-30 · Pete Johnson · Industry Insight1 eng. (1 likes · 0 comments · 0 shares)

  Combining techniques continues to yield better results than one technique alone: ELO Agent: 7-9 (43.8%) Betting Agent: 9-7 (56.3%) Claude Co…

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