For those companies just testing the waters of Google+ and are trying to understand whether its a better move for them than to remain on Facebook. Macworld has written a great article on the "9 reasons to switch to Google+"
When people ask “can Google+ beat Facebook?” they’re misstating the question. It’s not about one site versus another site. Google+ is bigger than that. The reason Google calls it the “Google+ Project” is that Google+ will become a central part of Google’s whole identity. It will reshape the company. So the real question is “can Google beat Facebook?” Put that way, the contest seems a lot more even, read more »