Google Plus might not be considered as powerful as Facebook, but one cannot override its capability. With a huge user base, Google + can prove to be one of the best marketing tool on Internet.
If you can tap in the potential of Google Plus, you can surely make your business grow like anything. But its upto you how you would use Google Plus for Business and Marketing.
May be this infographic on Google Plus for Business and Marketing proves to be of some help to the people who survive on Internet marketing.
Google Plus For Business And Marketing