Social media is itself as temporary as any social gathering, nightclub or party. It's the people that matter, not the venue. So when the trend leaders of one social niche or another decide the place everyone is socializing has lost its luster or, more important, its exclusivity, they move on to the next one, taking their followers with them.

We all know the feeling of surrendering to the embedded biases of our devices. We let our cell phones ping us every time there's an incoming message and check our e-mail even when we'd best pay attention to what's going on around us in the real world. We text while driving.

Computers don't kill books; people do.

Once everyone is connected to everyone and everything else, nothing matters anymore. If everyone in the world is your Facebook friend, then why have any Facebook friends at all? We're back where we started. The ultimate complexity is just another entropy.

The plague did not lead to Europe’s economic collapse. Rather, Europe’s currency-driven economic collapse led to the plague.

What's it like to envision the ten-thousand-year environmental impact of tossing a plastic bottle into the trash bin, all in the single second it takes to actually toss it? Or the ten-thousand-year history of the fossil fuel being burned to drive to work or iron a shirt? It may be environmentally progressive, but it's not altogether pleasant.

I think the only way to behave is as if nothing is private. And then fight to make what you care about legal and acceptable.