People want to be thought of as something other than a source of money. They want to be thought of as creative, thinking people.

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.

I'm not nearly as well organized as I would like. I am a creature of to-do lists and calendars - if something doesn't get onto my Google Calendar, I don't show up for it.

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.

You can make the case that slacktivism is important because it makes people feel affiliated to a movement and be part of it, and talk about it.

The uptake on mobile phones in Africa is phenomenal.