In May, Simply Measured released its report tracking brand page adoption and engagement by looking at the pages for Interbrand’s Top 100 companies—64 of which have verified pages on Google+. Additionally, more consumers are adding these companies to their Circles. As of May 7, 2012, at least 5,000 people had added 35% of these Top 100 brands to their Circles, up from 21% as of February 7. Additionally, 22% of brands had been “Circled” by more than 100,000 people, an increase from 13% in February. Read the rest at eMarketer.