Ignoring the potential privacy issues associated with social media buttons, they can be a useful asset to content creators and consumers. A social media “share” button allows you to easily share content on a social media site, and statistics (which tend to be from the social networks) show that it can dramatically increase your visibility online.
The following are direct links to the social media websites’ individual generator scripts:
For more information, this page lists a range of social media networks and share button types: http://blog.hubspot.com/blog/tabid/6307/bid/29544/The-Ultimate-Cheat-Sheet-for-Creating-Social-Media-Buttons.aspx