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What did we do at OpenTools.Ai to Double Down on Growth?

1•Yacobin•3h ago
When I joined OpenTools 9 months ago, our AI Daily newsletter was sitting at just over 50,000 subscribers. We were still figuring out how everything worked: testing headlines, tweaking sends, understanding what resonated with a very smart, very curious audience.

Fast forward to today: we’ve just crossed 90,000 subscribers.

What changed?

- We dialled in the right growth levers.

- Our team aligned on what mattered most: audience value.

- Reader engagement shot up.

- And most importantly, we kept showing up with useful, thoughtful content in a noisy AI space.

As someone who’s worked in varying hot topic industries, I’ve rarely seen something click like this. We’re building more than just a newsletter, we’re creating an ecosystem where AI builders and users actually connect in meaningful ways.

A huge thank you to our advertisers as well. The trust you’ve placed in us and the results we’ve helped deliver through high-quality, high-intent audience engagement mean everything.

The snowball is rolling. And it’s only picking up speed.

Thanks to the team, the readers, and the brilliant minds shaping the AI tools we write about every day.

Let’s keep going.

Rethinking Sleep from First Principles

https://www.affectablesleep.com/blog/rethinking-sleep-from-first-principles
1•pedalpete•6m ago•0 comments

Intelligent Internet Agent Explanation

https://deepwiki.com/Intelligent-Internet/ii-agent/1.1-installation-and-setup
1•randomcatuser•7m ago•0 comments

Application Isolation using NixOS Containers (2021)

https://msucharski.eu/posts/application-isolation-nixos-containers/
1•kugurerdem•8m ago•0 comments

How Peter Thiel's Relationship with Eliezer Yudkowsky Launched the AI Revolution

https://www.wired.com/story/book-excerpt-the-optimist-open-ai-sam-altman/
1•jandrewrogers•14m ago•0 comments

Creating Art with Code (2020)

https://medium.com/@mauralian/coding-art-312efa2020fd
1•airstrike•15m ago•0 comments

The Laser Revolution Part I: Megawatt beams to the skies

http://toughsf.blogspot.com/2025/05/the-laser-revolution-part-i-megawatt.html
1•EA-3167•16m ago•0 comments

Opus Dei: The Handmaid's School

https://buenosairesherald.com/society/opus-dei-the-handmaids-school
2•Anon84•17m ago•0 comments

Google Acquired GalileoAI

https://twitter.com/arnaudai/status/1924942577545195982
1•nallatamby•18m ago•0 comments

Show HN: I made a pretty cheap marketing breakthrough

https://smarketly.lema-lema.com/
2•abilafredkb•19m ago•0 comments

Ask HN: Frustrated with Health-Data Silos?

2•iaftb•20m ago•0 comments

Google Unveils A.I. Chatbot, Signaling a New Era for Search

https://www.nytimes.com/2025/05/20/technology/personaltech/google-ai-mode-search.html
2•breadwinner•21m ago•0 comments

Login to any user account using other Facebook app access token

https://hackerone.com/reports/101977
2•gilsonconte•23m ago•1 comments

The Napkin Project

https://web.evanchen.cc/napkin.html
3•luu•25m ago•0 comments

Violence on TV: what happens to children who watch?

https://nouvelles.umontreal.ca/en/article/2025/01/20/violence-on-tv-what-happens-to-children-who-watch/
2•gnabgib•26m ago•0 comments

You Are So Not Ready for This ChatGPT Prompt but You Need It

https://medium.com/readers-club/you-are-so-not-ready-for-this-prompt-but-you-need-it-c22391606c2b
2•stevenjgarner•28m ago•1 comments

Biotech companies I wish existed

https://blog.eladgil.com/p/biotech-companies-i-wish-existed
1•todsacerdoti•29m ago•0 comments

Microsoft's Attempted Merger with Intuit

https://dfarq.homeip.net/microsofts-attempted-merger-with-intuit/
1•rbanffy•30m ago•0 comments

Adguard Mail

https://adguard-mail.com/en/welcome.html
1•dotmanish•31m ago•0 comments

"Safe" YAML Monster

https://gist.github.com/taramtrampam/fca4e599992909b48a3ba1ce69e215a2
2•birdculture•34m ago•0 comments

Google Announces Smart Glasses Partnerships [video]

https://www.youtube.com/watch?v=RvMWLYRCj6s
1•handfuloflight•36m ago•0 comments

The Golden Age of computer user groups

https://arstechnica.com/information-technology/2020/08/the-golden-age-of-computer-user-groups/
6•rbanffy•36m ago•0 comments

Lex Fridman twisted my arm into using Cursor and Lovable – welcome Åndra

https://www.aandra.it.com/
2•paaloeye•40m ago•0 comments

Computex 2025: Intel Arc Pro B-Series – By George Cozma

https://chipsandcheese.com/p/computex-2025-intel-arc-pro-b-series
2•rbanffy•40m ago•0 comments

Multiple systems to estimate the number of unattributed paintings by Modigliani

https://link.springer.com/article/10.1007/s10260-024-00774-w
1•bookofjoe•44m ago•0 comments

Subprocess.run (Domain)

https://docs.python.org/3/library/subprocess.html
1•uonr•44m ago•0 comments

You can try Imagen 4 at Krea

https://www.krea.ai/image
2•dvrp•48m ago•1 comments

A demographic projection of Spain's native-born population

https://pablogguz.github.io/blog/pop-projections-esp/
2•paulpauper•49m ago•0 comments

Monks Behaving Badly: Explaining Buddhist Violence in Asia

https://direct.mit.edu/isec/article/49/4/119/130813/Monks-Behaving-Badly-Explaining-Buddhist-Violence
6•paulpauper•49m ago•3 comments

NYC Restaurant Interior or Black and White Drawing?

https://kottke.org/25/05/nyc-restaurant-interior-or-black-white-drawing
1•paulpauper•50m ago•0 comments

GameDev Assistant for Godot 1.0 walkthrough [video]

https://www.youtube.com/watch?v=gwouGv4wagQ
2•zenva•53m ago•0 comments