With 100 million people, somebody is using your product in some interesting way. If you change it... you're going to break some use cases.

You can't start a product simply by building it. You have to know why you're building it, and you might go down the wrong rabbit hole, waste time, and confuse things. Spending long afternoons with a sketchbook or talking through your ideas with other people can save a year in software development later on.

Empathy is key in the design process, especially when you start expanding outside of your comfort zone to new languages, cultures, and age groups. If you try to assume what those people want, you're likely to get it wrong.

In high school, one of the things I loved doing was this after-school program where you would teach computer skills to some of the maintenance folks at school.

Some people are averse to change, but the advertising model is going to change with or without the Hopper. What we're saying to the broadcasters is, 'There's a way for you not to put your head in the sand.'

Doing the simple thing first doesn't mean your solution will work forever.