The balance of personal / professional

Blogs are like personal diaries where each unique voice is important.  Blogs are also a new collaborative resource which can help us in professional growth.  I have had this nagging feeling of misunderstanding about whether the purpose of a blog should be personal or professional- I mean it almost seems like they are opposites.  I have always been fascinated by opposites (I could blog for hours on that topic and seriously need to tag that word) (OK-done!  Here’s my opposites blog!).  Social networking, digital media and blogs have changed what I like to call “the hierarchy of information.”  IMHO, the balance of personal and professional writing is no longer clear.  This would make a great dissertation topic!  decisions, decisions…