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Newsom spoke to reporters following a visit to the Facebook headquarters in Palo Alto. He announced his plans to run for governor via a Twitter message that was also posted on his Facebook page.
The king of San Francisco is now the king of the social media world. In terms of local politics, that is.
Gavin Newsom on Thursday was named America's Most Social Mayor by the leading search engine that tracks consumer-generated opinions across the social Web.
It's not just Newsom's 1.38 million followers on Twitter that gained him the top title, he has also been a forward-thinker when it comes to conducting his meetings and sharing city information with the public. He formally announced run for governor via Twitter, posts weekly updates to YouTube and uses the new Web site datasf.org to post databases on city employees and other open-source city data.
The title will likely not sit well with critics, who already say Newsom is too close to Twitter.
Here's a glimpse at the top 10 Most Social Mayors as compiled by Samepoint: