Google Plus ready to add business, celebrity pages

SAN FRANCISCO (AP) — Google's social networking service is now open for businesses.

The expansion, announced on Monday, is the latest feature on Google's Plus service to imitate what's already available on Facebook, the leading website for sharing with family, friends and businesses.

Google Inc. unveiled Plus in late June to counter Facebook's popularity and learn more about people's interests. It hopes to gain insights that will help its dominant Internet search engine spit out more compelling results that keep people coming back to click on ads.

Until …