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.

Marketers spend millions developing strategies to identify children's predilections and then capitalize on their vulnerabilities. Young people are fooled for a while, but then develop defense mechanisms, such as media-savvy attitudes or ironic dispositions. Then marketers research these defenses, develop new countermeasures, and on it goes.

Most of us still haven't grasped the fact that everything we commit to the digital space - not just our public blogs and broadcast tweets, but every private text message, email, and voicemail is likely to be stored and accessible. Forever.

The cloud is still really just a bunch of servers, owned by someone or something, whose decisions and competence must be trusted. This applies to everything from Google Docs to Gmail: Putting our data out there really means putting it 'out there.'

Like the diminishing beauty returns for a facially paralyzed Botox addict, the more forcefully we attempt to stop the passage of time, the less available we are to the very moment we seek to preserve.

Invest in people who will take care of you when you're old.

Unlike the Tea Party, who see themselves as the customers of government, people in the Occupy Wall Street movement understand that we are the government. Stated most simply, we are trying to run a 21st-century society on a 13th-century economic operating system. It just doesn't work.