At little over a year old, Google+ has struggled to gain a foothold in the social world.
Given this state of affairs - is it beneficial to maintain ANOTHER social profile? Haven't we got enough already?
The short answer - Yes.
Google+ is worth it.
In terms of organic search engine results, companies that take advantage of Google+ will benefit from increased search rankings.
Google+ integrates heavily with other Google services : search, Google Places, Google Maps, Google Docs, GMail and more.
Brand promotion on Google
Google is tying 'Google+' profiles to it's other service offerings in such a way that it cannot be ignored.