Field Notes
Stories, ideas, and lessons from building an AI-era business.
Recent Thoughts
View Timeline →Teresa Torres's AI Evals
Product Evals have been a popular topic on twitter- and it’s mostly from Hamel and Shreya marketing their Maven course- so i wasn’t surprised that …
Rightjoin's first user from 2 years back resubscribes
Seeing an early customer come back after two years is one of the most validating moments for a solo founder.
Yesterday, one of my first users from the rightjoin …
Talentprism feature update
TalentPrism is an AI-powered candidate engagement platform that creates a compounding data flywheel for recruitment agencies. Rather than requiring deep ATS …
Persistence
Saw this line on Projection Lab’s HN post after reading 1M ARR <3
There are loads of people out there smarter than me.
The willingness to doggedly show …
Choosing priorities
It becomes apparent once you have kids that you don’t have time for everything you want to do - something I took for granted in my 20s.
It took me almost …
Signed up Kwindla's Voice AI course
A lot of the material seems to be an overlap with the excellent Voice AI and Voice Agents that they released a while back. Fwiw, the guide itself is great …
Relatable AI Companions
I am listening to an Every podcast with the founders of Tolans - an AI alien that users interact with to discuss…life. This is a hard AI engineering …
Venture hypothesis test
Venture Hypothesis Test for your Business Idea Develop a clear venture hypothesis to help distil your idea into a business.
lossfunk slides RightJoin AI Venture …
The Great Marketing Hurdle
That’s some tweets from Danny Postma and just throwing my thoughts into this note.
People hate marketing sales so much that just talking about your …
Idea - Synthetic Surveys
So this idea’s been bouncing around in my head for a while - just got sparked again watching Every’s latest video about this product Valley that …
AI Engineering Evals 101
Look at your data.
Create a data annotation interface to add free-form notes. this forces you to get close to the data Annotate until you feel you’re not …
Idea- AI to prompt humans
Some verison of this has been rattling around in my head for a while.
AI is a great sparring partner, better than a one-sided internal monologue and …
Latest Posts
View All →Supercharging Claude Code with Git Worktrees and Docker
I’ve been using Claude Code extensively for the past few months, and I stumbled onto a workflow that completely …
Pytorch ad Resource Accounting
Some back-of-the-envelope math for training
Question: How long would it take to train a 70B parameter model on 15T …
Tokenization
Tiktokenizer is a handly website to see how different models tokenize strings. Tokenizers Character tokenization …
Language Modeling from Scratch
Introduction I’ve had this urge to go down the bare metal of LLMs, and channeling that with catching up on a some …
What I'm reading
Reading List Created: 2025-06-16 00:00:00
Agents
12 Factor Agents- …
AI for the Staffing Industry- SIA 2025 Recap by Haley Marketing
- Key Takeaways from SIA Executive Forum 2025 This webinar discusses insights from the Staffing Industry Analysts (SIA) …
Building realistic voice interactions with voice AI
Content Messy. A lot of parameters to tune to cater to a variety of end user conversation styles.
Here is some of the …
MCP Deepdive
MCP is an open protocol that revolutionizes how AI applications and agents interact with tools and data sources. …
Note Taking System Guide
Note Taking System Guide Introduction Managing personal knowledge and content effectively requires a well-structured …
Rebuilding Rightjoin
Rightjoin began as an automated interviewing tool designed to help recruiters pre-qualify candidates without spending …
Making a Good LLM - Tom Lu from CHAI
Video Information Source: https://www.youtube.com/watch?v=PKOTeX-pXZs Date Processed: 2025-02-07 Audio File: …
Building an AI-Powered YouTube Note-Taking System
In the age of AI and abundant video content, being able to efficiently process and retain information from YouTube …
Hosting Multiple Apps on One Droplet
When running multiple applications on a single server, proper configuration is essential to avoid conflicts and ensure …
Deploying a Django app with Kamal
Deployment Guide Setting Up Start from a boilerplate - don’t reinvent the wheel. Clone repo from github. Use …
Enterprise Sales
Sales Funnel Here is a typical sales funnel
Prospecting Outreach Qualification Pricing Closing Implement Prospecting …
Marketing for solopreneurs
Problem selection Marketing starts with product and pain point.
Checklist before starting to build a product: -1 major …
On Focus
We all have the same 24 hours. The question isn’t how to fill them—it’s how to make them count.
Most people …
A good cold email
Cold emailing is a slightly different skill than writing given the target audience and the time consttraing to capture …
On Intensity
Habits to live by
Ship every 2 days. Anything that ships should provide immediate value to user. If not immediate, break …
Business Books
Business Buy Back Your Time, by Dan Martell
Business Million Dollar Weekend, by Noah Kagan
Business Rework, by Jason …
Understanding the Needs Stack
Charlie is a business owner, and he frequently needs to hire employees. But posting on job boards, screening …
It took me 5 mins to launch this site!
I share how I launched this Hugo site in 5 mins, invariably for my future self when I get around to doing it again after …