5 reasons people share news & how you can get them to share yours | Poynter.

We know more than 750 million people actively use Facebook and 200 million tweets are sent each day. But what exactly motivates the frenzy of online sharing?

A new study commissioned by The New York Times answers that question. The study, including an online survey of 2,500 sharers (not just Times readers), finds five basic motivations for why we share information, and six types of personas who do the sharing.