Why does crime happen? Well, you might say that it's because youths don't have jobs. Or you might say that's because the doors of our buildings are not fortified enough. Given some limited funds to spend, you can either create yet another national employment program or you can equip houses with even better cameras, sensors, and locks.

Dictators aren't stupid, or regimes could be toppled easily by young people mobilizing on Facebook.

In reality, quitting Facebook is much more problematic than the company's executives suggest, if only because users cannot extract all the intangible social capital they have generated on the site and export it elsewhere.

A lot of the geeks in Silicon Valley will tell you they no longer believe in the ability of policymakers in Washington to accomplish anything. They don't understand why people end up in politics; they would do much more good for the world if they worked at Google or Facebook.

There is no doubt that the Internet brims with spamming, scamming and identity fraud. Having someone wipe out your hard drive or bank account has never been easier, and the tools for committing electronic mischief on your enemies are cheap and widely accessible.

In China, Internet surveillance has already become a profitable industry. In fact, a growing number of private firms eagerly assist the local police by aggregating this data and presenting it in easy-to-browse formats, allowing humans to pursue more analytical tasks.

Creative experimentation propels our culture forward. That our stories of innovation tend to glorify the breakthroughs and edit out all the experimental mistakes doesn't mean that mistakes play a trivial role. As any artist or scientist knows, without some protected, even sacred space for mistakes, innovation would cease.