Thumbs up or thumbs down on a website is not a conversation. The danger is you get into a habit of mind where politics means giving a thumbs up or thumbs down to a website. The world is a much more complex place.

Technology challenges us to assert our human values, which means that first of all, we have to figure out what they are.

There are moments of opportunity for families; moments they need to put technology away. These include: no phones or texting during meals. No phones or texting when parents pick up children at school - a child is looking to make eye contact with a parent!

What is so seductive about texting, about keeping that phone on, about that little red light on the BlackBerry, is you want to know who wants you.

Teenagers talk about the idea of having each other's 'full attention.' They grew up in a culture of distraction. They remember their parents were on cell phones when they were pushed on swings as toddlers. Now, their parents text at the dinner table and don't look up from their BlackBerry when they come for end-of-school day pickup.

The most used program in computers and education is PowerPoint. What are you learning about the nature of the medium by knowing how do to a great PowerPoint presentation? Nothing. It certainly doesn't teach you how to think critically about living in a culture of simulation.