http://shine.yahoo.com/tag/marketing http://shine.yahoo.com/channel/life/facebook-are-your-friends-trusted-sources-or-naggy-noisemakers-547697/ <img alt="Getty Images" title="Getty Images" src= "http://a323.yahoofs.com/phugc/1J0ccVFD6Cg1/photos/560c57ea4aa3ce63f7e4a7e82734e34d/mr_e6866741a43c54.jpg?ug_____DSeWOiMw2" align="left" height="400" width="266">People have been worrying for a long time about mixing business and pleasure on Facebook. Much of the conversation centers around how much of their personal lives people want to <strong></strong> nospam@example.com () http://shine.yahoo.com/channel/life/facebook-are-your-friends-trusted-sources-or-naggy-noisemakers-547697/#comments http://shine.yahoo.com/channel/life/facebook-are-your-friends-trusted-sources-or-naggy-noisemakers-547697/