Google+ has been a quiet force and one of the least used social media websites, however, the content and interactions are far more engaging than many of the others. If you have not given G+ a run, you may want to really consider it. Many of the users are there because they have become fed up with the less than professional activity and spam on many of the other SM websites.
If you are looking for a change of pace and want to start growing a more engaged and interactive audience, my tip is to give Google+ a try.
Look for me there… https://plus.google.com/u/0/107307139753214007260/posts