On Twitter, if you want to quote someone else, you say, RT, re-tweet, that person's name, and then what they said before. And it's a way of essentially saying, I'm not saying this, but my friend said this and I thought this was interesting.

The Internet challenges traditional ways of distributing and processing information and so encourages new standards and behavior.

When I'm playing with circular saws, I'm offline (though often listening to podcasts) and when I sit in the cabin to read or write, it's wonderful to be offline for a few hours at a time.

[According to Twitter] 24 percent of American Twitter users are African-American. That's about twice as high as African-Americans are represented in the population.

The Internet has not become the great leveller that it was once thought it could be.

Re-tweeting is a pretty common practice on Twitter, but on an average day, we see maybe one out of 20 posts is a re-tweet.

People who know me well have learned to insist that I commit to obligations by opening my laptop and putting them onto the appropriate calendar or list - a verbal agreement and a promise to remember won't work.