The uptake on mobile phones in Africa is phenomenal.

The benefits and consequences of globalization have a great deal to do with whether we're intelligent and thoughtful about how we approach globalization, or whether we're blindly accepting... or blindly resistant.

Curators are great, but they're inherently biased. Curators are always making an editorial decision. Those biases have really big implications.

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.

[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.

If I use Facebook to stay in touch with my high school friends who are church-going Republicans, I may be getting more ideological diversity than in hanging out with secular progressives on the World Politics sub-reddit.

If we need simple narratives so people can amplify and spread them, are we forced to engage only with the simplest of problems?