I fear that I can no longer travel without technology. Twenty years ago, I loved getting on a bus in West Africa and taking off for a city I'd never been to before, relying on advice from out-of-date travel books and fellow passengers on the bus. Now, I end up using TripAdvisor, Yelp, and Google Maps. I probably eat and sleep better when I'm on the road, but I miss the mystery of travel when it was more random and unpredictable.

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.

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

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.

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.

Increasingly, I'm inspired by entrepreneurs who run nonprofit organizations that fund themselves, or for-profit organizations that achieve social missions while turning a profit.

Reddit names are unconnected to real-world identities and it's commonplace for users to create 'throwaway' accounts to reveal sensitive information.