Danny Tunney
910 posts

Danny Tunney
@dtuncodes
Product Engineer. Sturdy software, built on purpose. Dad @bibleclubfamily. Student #GracieJiuJitsu.
USA Katılım Ekim 2021
537 Takip Edilen110 Takipçiler

Mark Zuckerberg engineered a custom hardware device for his wife in 2019. No clock face. One faint light. A one-hour window.
Priscilla had a specific problem. She'd wake up in the middle of the night, check her phone for the time, and the number itself spiked her anxiety. 4am meant worry about the kids waking soon. 5:30 meant calculating whether to just get up. The information was the trigger.
Most engineers approach "can't sleep" by adding things to the bedroom. A meditation app. A Hatch alarm. A weighted blanket. A sleep coach.
Mark removed the variable that was running the wake-up loop.
The Sleep Box sits on Priscilla's nightstand and shows nothing for 23 hours a day. Between 6am and 7am it emits a single faint light. Faint enough not to wake her if she's still asleep. Visible enough that if she's already up, she knows it's okay to start the day. The rest of the night, dark. No clock. No time display. If she wakes at 3am she has no data to push her cortisol up with, so she goes back to sleep.
He wrote the firmware and built the enclosure himself. No team, no procurement, no Meta resources. He posted the result on Instagram and said it worked better than he expected.
The design move most CEOs would never run is the personal one. The instinct is to outsource a family problem to a specialist. A sleep coach. A doctor. A consumer electronics startup with a Series B and a marketing budget.
Mark intervened at a specific link in the chain. Time data hitting Priscilla's brain at 3am was what broke sleep. The phone got moved off the nightstand and replaced with a box that physically cannot deliver that data.
The box has no clock. That's the entire product.


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Hello 👋
Would anyone be interested in trying out a Matchmaker MCP?
We're mostly seeking feedback on how the actual connection to the MCP goes for you, but any feedback for the product itself is also welcome.
openmatchmaker.com
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It's been a mixed bag to be sure.
Engineers who have built systems without AI are getting real leverage. Lightly engaging with the model and steering with taste allows shipping faster. 👍
Vibecoders are getting tolerable results on well-architected systems, but that is not clear evidence the tool democratizes building IMO. 🤷
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@dtuncodes Reaching for the future" intriguing? Show me savings. What real AI benefits have you seen daily?
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