In case you missed it, Google+ brand pages are here and small businesses and big companies alike, can benefit from being on Google+.
Big companies can't miss the opportunity to engage with customers and might want to follow the good old strategy used in other business matters: if your competitor is there, you need to be there.
On the other hand, small businesses can benefit from being early adopters by learning the gist of the new social network in town while its user base grows and battles existing social networks head on.
