Technology is mostly a force for good, but it has its downsides, too. I want my students - and my readers - to be intelligently skeptical about technology and be informed about the good and the not-so-good parts.

I want students to understand specific technologies, but the real goal is that they should be able to reason about how systems work and be intelligently skeptical about technology so that, when they're running the world in a few years, they'll do a good job.

For women in their 30s, it's so hard to get good parts.

Maybe I thought too much about picking up the money and not enough about the really good parts.

It's important to be informed about issues like usability, reliability, security, privacy, and some of the inherent limitations of computers.

In any age range, there are some limitations in terms of good, good parts.