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

Talking about 'stopping globalization' is unrealistic - and probably not what anti-globalization protesters actually want.

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

Creativity is an import-export business.

Moments of crisis, like the shooting in Newtown, tend to produce brief spikes of popular interest in gun control. My research on media attention suggests these spikes are extremely short-lived, and that they may be decreasing in intensity.

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.

[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.