David Lieb

speaker

170 appearances 1 recordings 1 series first heard Jul 2026 last heard 9 Jul

David Lieb’s voice in public audio — every appearance, attributed to the second.

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Y Combinator Startup Podcast · How To Better Understand Your Users · 9 Jul 2026 podcast

And you can kind of go as deep as you want on this.

This idea of dot plots might be familiar to some of you.

You've probably seen it at the top of GitHub pages.

This is basically what a GitHub graph looks like.

They've just wrapped the days around per week.

Another thing you can do is instead of just tracking user actions, you can track user state.

So was this user using an iPhone or an Android phone?

Were they on the web?

Was this user coming from the United States or a different country?

Sometimes you have demographic information about your users.

Is this a user that makes a lot of money?

Or is this a college kid that you just got on Reddit or something?

You can encode those states with other symbols or shading the cells different colors.

You can write things over here.

So like I might say, this is a iOS user, and this is an iOS user, but these ones are Androids.

And another thing you can do then is sort your rows based on whatever attributes you want to sort them by.

So you might say, I only want to look at iOS users first, or I only want to look at users whose first time using the app was this Monday.

So let's resort so we only see people that have rings around their first day.

What you find when you look at this in aggregate, you can then kind of zoom out and see an entire page of these, is your brain will start to notice these patterns

in a way that you would never have figured out on your own a priori.

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