The trend has been mobile was winning. It's now won.

There were 5 Exabytes of information created between the dawn of civilization through 2003, but that much information is now created every 2 days.

One of the unintended negative consequences of online advertising has been the loss of value in traditional classifieds. It's simply quicker, simply easier for an end user who's online, on a broadband connection, to look things up and to figure out what they want to buy.

The biggest mistake that I made was not anticipating the rise of the social networking phenomenon.

The best thing that would happen is for Facebook to open up its data. Failing that, there are other ways to get that information.

In general in technology, if you own a platform that's valuable, you can monetize it.

I had a rule that I had to go to bed before the sun came up. So I used to look up the sunrise times because I thought it would be bad karma to be going to bed as dawn was arriving.