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However, also remember that the amount of stuff is not finite in the world. In fact, technology has a commoditization effect. It makes more stuff available and hence has a deflationary effect.

we’re obsessed with new ways of building and governing communities but we’ve done little to integrate those tools with existing ones.

The bottom 50 percent of the population in the U.S. owns less than 2 percent of total wealth. It used to be 3 or 4 percent 20 years ago; now it’s less than 2 percent. It’s always been very small, in any case, but it’s not going in the right direction. This has all sorts of bad consequences in terms of how you can plan your own life.

The citation (link) graph of the web is an important resource that has largely gone unused in existing  web search engines. We have created maps containing as many as 518 million of these hyperlinks, a  significant sample of the total. These maps allow rapid calculation of a web page’s "PageRank", an  objective measure of its citation importance... See more

What we’ve done is really productize services. That was the sophisticated issue, which was to create a skew-like system, a true e-commerce experience, where you have a true catalog of productized services.