CEO of @onlookdev – The Open-Source Developer Tool for Visual Engineers. Ex-growth @DIMO_network, @wanderliftco, & @BirdRide. Scorched earth policy.
San Francisco, CA
Joined March 2009
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this pic is a great representation of what it's like going through YC
the YC group partners will jump in on any occasion to help you out
whether its testing your product, or coaching you through fundraising, or just getting you fired-up, they're right there with you
One week left to apply to YC Winter '27!
YC founders get:
🔸 $500K in funding
🔸 $12M+ in tokens, credits & deals
🔸Partners who were founders first, and are in your corner for life
🔸 Access to the best founder community in the world
🔸 Demo Day in front of thousands of top investors
Apply by Nov 2: ycombinator.com/apply
super underrated hack is to use zest for finding date spots in sf
discovered some awesome restaurants through this thing and I am a heavy Google Maps saved places guy
every AI assistant has to learn you over months of chatting.
text Zest, link your card, and it knows everywhere you’ve actually eaten in the last 2 years. what to order, do they have outlets, get me a table. it knows which friends have been too, anywhere in the world.
no download, no account, any phone, free. out today.
textzest.com
expect a touch-monitor to come from apple in the future
the availability of touch as a new input for professional creative apps alongside a keyboard and AI will be epic
no, using an iPad with a keyboard doesn't work the same as what this will enable
pretty wild that you can ask AI to produce photorealistic abstract graphics
and it produces 3D-grade work in 2D shaders
wonder how many designers are paying for AI
think of how many are not on X in the bubble of AI-users.
98% of US households aren't paying for AI yet
More charts in State of Markets II: a16z.news/p/state-of-markets…
designed and shipped through onlook.com of course
adding this prompt to every task has totally supercharged my agents:
I want a deeper version of this task, not a bigger one. Before rewriting it: (1) say what a top professional in this field would do here that I’m not asking for; (2) name the rawest material they would start from instead of what has already been digested for me; (3) name the specific methods and tools they would use; (4) say what, other than you or me, would show the result is right. Then rewrite my prompt to ask for exactly that before doing anything
Hi, I'm Felix. I'm an eng lead working on Claude. I love watching people take flight and do things they never thought possible.
We often describe that as "being more ambitious" when using AI, which is tricky advice to follow. I wrote a tutorial:
felixrieseberg.com/how-to-be…
contrast with one of my favorite Apple ads for the Apple Watch
so much more optimistic, aspirational, and human-centric
youtu.be/aBcXbbpy7y8?is=KbmG…
big big big fan of this
One of San Francisco's largest redevelopment projects could completely transform nearly 19 acres of land near Downtown.
Plans are moving forward for the redevelopment of the Caltrain Railyards at 4th and King in SoMa.
The project could include:
• Up to 5,834 apartments
• Up to 5.6 million SF of commercial space
• 160,000+ SF of retail
• A completely rebuilt Caltrain station
• More than 4 acres of public open space
• Multiple skyscrapers reaching 350 to 600 feet
• A potential 850-foot tower
This land is currently occupied by railroad tracks, platforms, maintenance facilities and the existing Caltrain station.
The proposal would modernize the transit infrastructure, relocate train storage and maintenance, and create an entirely new mixed-use neighborhood above and around the station.
Thousands of people could be living, working, shopping and spending time in what is currently a massive rail yard.
And all directly connected to one of the Bay Area's most important transit corridors.
The project is now entering environmental review, with construction potentially starting in 2029 and taking 15 to 20 years to complete....
There's obviously a long road ahead, but I love seeing developers think this big about underutilized urban land.
This could completely reshape SF.
📍San Francisco
