Google+, which was started in June 2011, tied information aggregator Wikipedia with a score of 78 in the social-media category on the American Customer Satisfaction Index E-Business Report, which ranks companies on a 100-point scale. Facebook, criticized for changes to its interface, had a score of 61, down from 66 last year and 64 in the 2010 report.
Already owner of the world’s largest search engine, Google is counting on Google+ to help it challenge Facebook for user attention and to provide more data to improve its core web-query service. Google+ already has reached more than 250 million users, compared with more than 900 million for Facebook.













