For every new feature we add, we take an old one out. A lot of big sites don’t do that, and it’s a problem. Twitter started as a beautifully simple product, but it’s now going the same route as Facebook. The drive to innovate can overencumber and destroy a product.

Tumblr gets better faster with more resources to draw from.

There are a lot of rich people in the world. There are very few people who have the privilege of getting to invent things that billions of people use.

Where I feel the most productive and engaged is when I'm buried in code, buried in some project, tweaking some designs. I'm certainly introverted.

I think appointments are caustic to creativity.

We're not motivated by money. We are into this thing that we're building.

Every feature has some maintenance cost, and having fewer features lets us focus on the ones we care about and make sure they work very well.