black buttons, and of course, blue buttons. Blue was an overall favorite, and in Facebook’s testing, they found that the color actually drove more people to click Like and Share (proving again ...

The company allowed other websites to adopt the Like button so users could share their interests back to their Facebook profiles. That gave Facebook insight into people’s activities and ...

Facebook recently introduced a Subscribe button that's similar to how Twitter's follow button works. It opens up a whole new way to add content to your News Feed or to share content with others.