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Google’s +1 buttons have only been out for about a month, but they’re already more common than the tweet button on major web destinations.
BrightEdge, an enterprise SEO platform provider, analyzed the 10,000 largest sites on the web and found a 33% surge in placement for Google’s +1 button during the past few weeks. The company found that +1 buttons are now on 4.4% of those sites, up from 3.6% in June. Meanwhile, Twitter’s plug-ins are displayed on 3.4% of the sites.
