There is no doubt about how social networking sites (such as Facebook, Twitter, Digg, StumbleUpon) are dominating the cyber world today. For websites to reach out to more audiences, linking to these popular networking sites is almost a must. And what better way to captivate the people to do so with cute catchy icons? A picture is worth a thousand words, and so is an icon. So when the two big phenomenons – icons and social networks – meet, they do wonders for your piece of work. Prove it yourself with icons from below collections. They’re fun, trendy, useful, and best of all, they’re free!