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jreynar

107karma·30submissions·April 16, 2026
about
Co-founder of this+that (AI for inbox overload). Previously Facebook, Google, Microsoft, AOL. Five-time founder.

Web: https://www.thisandthat.chat LinkedIn: https://www.linkedin.com/in/jeffreynar/ X: @jreynar

jeff [at] thisandthat.chat

recent activity (30 total)
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I already answered this, but responding led me down a path to a better answer both for me, and our product. I said last week that we were working (at this+that) on building and maintaining a db of ope…
1h ago·view thread
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AI may indeed lead to a barbell shaped distribution - lots of people with modest skills and the need for lots of awesome people. But I don't think that's necessarily a bad thing. One of the …
3d ago·view thread
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I'm working on making unstructured operating knowledge maintain itself. If a customer's phone number changes, that goes in the CRM. But if a salesperson learns the customer is planning to op…
6d ago·view thread
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Reviewer burden is the right diagnosis and the rule doesn't really address it. Oracle's own FAQ concedes that reliably telling AI content from human content is impossible. So reducing volume…
8d ago·view thread
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I 100% agree with this (and remember Bob from my time at Facebook, too!). Picking the right problem matters, but I also think there's an underlying quest for status that leads to a lot of product…
17d ago·view thread
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My two cents here is that if you're trying to growth hack yourself, you need to be on a platform that's also growth hacking. Building an audience anywhere is genuinely hard. Algorithmic feed…
18d ago·view thread
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I think ACM should give everything away for free. US taxpayers pay for a lot of research and the previous administration required that government funded research be published and made freely available…
18d ago·view thread
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Completely agree. The worst sort of manager is the one who wants to stay "high level" and proposes things that either aren't possible or are vastly harder than their idea to "just …
20d ago·view thread
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Author here. People are speculating about when the first solo founder will build a billion dollar business. I think it ties back to Coase's "The Nature of the Firm" and the question of …
1mo ago·view thread
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First, I wonder about the value of the study about endoscopies. Comparing number of adenomas found before and after potential "de-skilling" with AI assumes the rate of adenomas is constant, …
1mo ago·view thread
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I couldn't even get the video to play. Nonetheless I'm sort of meta excited by this product. It reminds me of the apocryphal "customers want a faster horse" thing associated with H…
1mo ago·view thread
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Articles like this are exactly why I doubt that SWE jobs are going away. The SWE job of 2026 doesn't look like one from 2020, let alone 1990 so why would anyone believe the false dichotomy that e…
1mo ago·view thread
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It's nice to see an explanation of how they think you should use Claude for a host of different job functions / aspects of building a business, but the tone makes it seem like founding a sta…
2mo ago·view thread
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I'm in the same boat. I've done a lot of work and hobby engineering projects and haven't run of tokens since moving to Claude max. I also haven't needed to let anything run over ni…
2mo ago·view thread
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Ugh. I'm sure we're not the only company that's going to face the difficult decision to either stay with Opus 4.8, switch to a different model provider or update and significantly weake…
2mo ago·view thread
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I've built a handful of things, most of which mirror commercial / open source products but for which I had particular requirements that were hard to satisfy (like a wine cellar tracker where…
2mo ago·view thread
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I may be biased because I work on an AI powered enterprise productivity product, but while I agree they have PMF right now, I wonder whether people's use will evolve in ways that undercut the cur…
2mo ago·view thread
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I'm going to give people the benefit of the doubt here. It reminds me of the Google search phenomenon others have mentioned, which culminated in the joke website "let me google that for you.…
2mo ago·view thread
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Another problem with perception of AI tools, for coding and other things, is that people often adopt a one-size-fits-all view. If Claude/Codex whatever can fix a bug in my tiny hobby project then…
2mo ago·view thread
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I'm sure things could be better and maybe we've gotten lucky or perhaps being part of the AWS startup program bumps you to the front of the queue but we've had two recent issues -- both…
2mo ago·view thread