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Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

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Google Search equivalent of an upvote on search results that allows you to recommend or agree with a listing among your social network.

Google +1 (read as Google Plus One) is a button that appears in Google search results that allows you to recommend or agree with the usefulness or merit of a search result. This is comparable to a "like" on Facebook and other services.

See also

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