Programmers work in bursts of productivity. Then, they let the brain rest and get back into it. A lot about the office world is not a great fit for me.

With Instapaper, I can take a few months off. I can't stop publishing 'The Magazine' for two months and work on something else.

Attention to detail can't be (and never is) added later. It's an entire development philosophy, methodology, and culture.

If you sit on, sleep on, stare at, or touch something for more than an hour a day, spend whatever it takes to get the best.

With a Web and iPhone app, I try to find new and tiny ways to delight my customers. They may not notice, but it helps drive goodwill and makes your product remarkable.

Instapaper wouldn't be of as much value if it weren't for these mobile and e-reader devices. They give you a separate physical context for reading.

As long as I manage investments properly and don't spend recklessly, Tumblr has given my family a strong safety net and given me the freedom to work on whatever I want. And that's exactly what I plan to do.