One of the problems with the fiasco of suburbia is that it destroyed our understanding of the distinction between the country and the town, between the urban and the rural. They're not the same thing.

Ahead now, I think you'll see the big nations shrink back into their own corners of the world. I'm not saying we'll see no international trade, but it will be nothing like the conveyer belt from China to Wal-Mart that we've known the last few decades. And the prospects for conflict are very, very high.

Ever-busy, ever-building, ever-in-motion, ever-throwing-out the old for the new, we have hardly paused to think about what we are so busy building, and what we have thrown away. Meanwhile, the everyday landscape becomes more nightmarish and unmanageable each year.

The Hamas organization is explicitly dedicated to the destruction of Israel. That is not a rhetorical gimmick; it is its declared unwavering primary goal.

If you think about any multiparty process where shared information is necessary to the completion of transactions, and the coordination of activity and the exchange of value, that's where blockchain technology can be put to good use.

Disclosure and transparency are the currency of the Internet, and they are at odds with authoritarianism.

By linking with friends and ultimately strangers and building those relationships, social media is reweaving the social fabric that can then be used to scale your non-profit efforts.

The beauty of the Internet is there's a niche market for everything, and if you can focus on it, you can build a sustainable and viable business of it.