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

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

The uptake on mobile phones in Africa is phenomenal.

Cute. I'm on the waitlist to beta a new product, and have been offered the chance to move up in the list if I tweet about it. Not doing so.

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.

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.