One of the things we did at PayPal was collaborative filtering and machine learning: looking at patterns of human behavior. We used it there to predict when people would try to cheat the system to get money. But you can predict pretty much any behavior with a certain amount of accuracy.
Mobile is the perfect example of what is enabling economic growth in the technology sector.
Facebook is so ubiquitous now that it's like another manifestation of the web itself.
I'm trying to build something where people will go every day.
I've been developing mobile for years before anybody else really thought it was that important.
If the game designer produces more content than he can consume per month, some fraction of the people will say more quests, more tests, more challenges, more whatever, and they will be compelled by it.
I never wear suits.
If you're building a social product, you're still living in the last century if your product doesn't work on Facebook.
The single most important top-level trend is the shift to mobile.
The world is now awash in data and we can see consumers in a lot clearer ways.
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 positive experience in your product is directly connected and influenced by this brand and that worked great.'
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 have market winners.
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 early on. And when we launched the mobile product, we saw immediate growth, and we were stunned.
Facebook and Myspace are the U.S. audience, which is tried and true when it comes to being susceptible to ads.
Right now, nearly all the apps on Facebook take a week to build. No more.
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