It's been 18 months since Google Plus launched Pages and many brands have been tentatively exploring Google's fledgling and enigmatic social network. Many have had great success, while others are still confused as to why they would build yet another social presence beyond what they've accomplished on Facebook and Twitter.

In short, determining how Google+ fits into a brand's growing social ecosystem can be a challenge for even the most seasoned social marketer. In this Critical Mass POV, our social media team reviews the most interesting features and benefits to brands using Google+ Pages, outlines some great use-cases and offers some guidance on how your brand may want to approach Google+ now and in the future.