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Positive Experiments

John Ostrowski, Hannah Parvaz, Marina Ostrowski

Evergreen thoughts and first-hand experience building products and running experiments.

Platform
Substack
PricingOnly free issuesPublishesWeekly
Issues39SubscribersRead positiveexperiments.substack.com

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Latest Issues

Recent posts by this newsletter. Browse the email archive.

Making experimentation count

Another eventful month going places, we attended different cities and events, and John was on stage giving hot tips on becoming a Supercommunicator.

2 months ago
1
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Convert stand with Katie Dove

Katie always blows my mind with her keynotes in Behavioural Science. I try to pick her brain every time we meet to learn more, and this time I got her on camera.

2 months ago
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Little Rules About Big Things and the 'Alien craft' hypothesis

Morgan Housel has been my favorite personal finance author, and I don't get tired of quoting his impactful and straightforward storytelling. His latest article Little Rules About Big Things is a masterclass for anyone navigating the persona...

3 months ago
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Authors

The writers behind this newsletter.

  • John Ostrowski

    Lifelong student, time management advocate, experimenter, boring investor, product growth enthusiast, and a very positive being. I write about all that stuff.

  • Hannah Parvaz

    Award-winning growth expert, international keynote speaker, and founder of Aperture.

  • Marina Ostrowski

    Brazilian-Polish Conversion Specialist and product enthusiast. I advocate for diversity and bring positivity through content :)

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