Neo Kim (@systemdesignone): "I created a playbook to help you learn system design. It gives you: ✓ System design fundamentals. ✓ Condensed notes to read before the system design interview. ✓ Must know concepts from real-world software engineering case studies. === To get it for FREE, just: Like t…"

Make money doing the work you believe in

Start your SubstackLearn more


You made it, you own it

You always own your intellectual property, mailing list, and subscriber payments. With full editorial control and no gatekeepers, you can do the work you most believe in.

Start your SubstackLearn more


Great discussions

Join the most interesting and insightful discussions.


Related notes

Stop reading "AI will take your job" takes — watch this 14-min video instead.

Ex-doctor Ali Abdaal lays out the 3 skills that keep knowledge workers valuable as AI gets better.

Here's what it covers + timestamps:

➔ Getting good at using AI (00:06)


"Knowing Excel" stopped being a skill this year.

And the people still doing it by hand don't know yet:

Step 1: Stop building spreadsheets in Excel.


Relevant people


Join Neo Kim on Substack

The home for great writing, podcasts, and video.