A journey of investing starting in early 2020 until now.

I happily announce that the future 4th edition of my book Linear Algebra Done Right will be an Open Access book. Thus the electronic version of the book will be legally free to the world. The print version, to be published by Springer, will be reasonably priced. #LinearAlgebra

This 23-year-old makes $100k a year dogsitting on Rover 🤯 She lives in a suburb in Virginia, charges reasonable prices, and doesn't work every day. People are VASTLY underestimating the market size of dog-related businesses after the pandemic puppy boom.

this tweet is unhinged

people in ny are a lot more polite than I expected

who did this?! feel it in my soul 😭

22 ideas from 2022. The top 1% of ideas I encountered:

Bootstrapped my startup with sperm donations. A true seed round

99% sure this reply by Jeremy Stamper 🇺🇸 🇺🇦 is chatGPT.

why does every place in new york use this goofy lid

Instead of shares, private companies will eventually manage ownership stakes with tokens

I love red beans

My friends are speaking chinese, so come back to twitter

Is anyone out there 0.0

Let’s all move to SoHo?

Can we all agree to stop doing this

been noticing a lot of repeated tweets in my feed. what’s up with that

Do people still practice with leetcode?

Is Michigan a fly-over state??