One in 4 Internet users (23%) says that photos of them are accessible online. These could be photos posted with or without a caption, however, and may or may not be associated with the correct name of the subject. Two in three Internet users (67%) believe that no photos of them are available online, while 10% say they don't know. Social networking and photo sites make it easy to find someone's image online, even if it was meant to be kept private.

Source: Pew Research Center

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