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Samantha John

Cofounder of Hopscotch.

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Latest posts

Are you Elon Musk or a garbage truck titan?

Ideas may be free, but coming up with an actually good one is not so easy. Here are some categories that can help you to organize the idea space and zero in on your next business.

The product doc that powered Hopscotch

At Hopscotch we were rigorous with our product. We had to be. A small team, and over 10 years of features meant that the product could easily become bloated and confusing—the opposite of our goal.

A love letter to personal software

I’ve been using a screenshotting tool called Annotate (and its predecessor, Glui) for almost ten years.

Churcha Chironja

During the pandemic of 2020, we all got some weird hobbies. Some of us learned how to bake bread. Others discovered a foreign language.

Fixing your retain cycles for fun and profit

I’m spending this week and next at Apple Entrepreneur Camp. It’s a fantastic opportunity to learn from Apple engineers. So far, it’s been WWDC on steroids. The least I can do is to spread some of the knowledge I’ve gotten.

The Tao Te Ching

I found this Ursula Le Guin translation of the Tao Te Ching on the bookshelf at an airbnb. I liked it so much that I bought my own copy.

Thoughts on mastery in programming

I recently met Ivan, a high schooler who is interested in both programming and self-improvement — two of my favorite topics. He taught himself to program and created several iPhone apps. He wanted to improve his programming skills but was feeling stuck. He eagerly listed the technologies he had mastered, but wasn’t sure what he should tackle next.

My mom, the scientist

When we were kids, my brother and I knew that our mom was the scientist of the family. She had finished the better part of a PhD in chemistry before deciding to become a doctor. She also the one who knew how to fix things. From busted remotes to leaky faucets to putting together new toys, she always had the solution.