Facebook is so ubiquitous now that it's like another manifestation of the web itself..

Right now, nearly all the apps on Facebook take a week to build. No more..

Ignore your mistakes. The number one thing to worry about is -Am I doing what I'm good at?.

I have this massive notebook called IDEAS and another one called PERSONAL IDEAS and another one called CRAZY IDEAS..

You're going to pull out your phone and try to use whatever is the most appropriate app on your iPhone or your Android device. Yelp saw that very ear….

Media is very different from financial services. People are very fickle and very vocal. They believe that things should be one way and not the other.….

The single most important top-level trend is the shift to mobile..

PayPal once rejected a candidate who aced all the engineering tests because for fun, the guy said that he liked to play hoops. That single sentence l….

Being an entrepreneur is not about being in love with an idea, it's about being in love with running a company..

A classic engineering mistake and one I've made is confusing what is hard and what is valuable..

The very first company I started failed with a great bang. The second one failed a little bit less, but still failed. The third one, you know, proper….

If you can work a brand successfully into the narrative of your product, then it's really cool. Then people actually take the brand up and say, 'My p….

You are not designing for yourself, and shouldn't be. Most people using the Web don't understand (most of) what makes it work and don't want to. Desi….

As I was getting interviewed by the Wall Street Journal, or some big pub guy, all I remember was that he went off to the bathroom for a second, and t….

We're all put on Earth for a limited amount of time. Am I using in a way that is great, or good enough, or wasteful?.

The world is now awash in data and we can see consumers in a lot clearer ways..

I think the hallmark of a really good entrepreneur is that you're not really going to build one specific company. The goal - at least the way I think….

We're becoming slaves to our social networks - and that's not a bad thing. You like your favorite networks, so do you friends, and pretty soon you ha….

Facebook and Myspace are the U.S. audience, which is tried and true when it comes to being susceptible to ads..

I've been developing mobile for years before anybody else really thought it was that important..

You can't get married to any one particular plan. That is the biggest lesson I learned at PayPal..