The wider world is a click away, but whether we mean to or not, we're usually filtering it out.

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

A world where everyone creates content gets confusing pretty quickly without a good search engine.

It's becoming clear that the world is listening, so now we're trying to get new groups of people talking.

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.

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.