76% of American adults online use social networking sites such as Facebook, Instagram, Twitter, LinkedIn, and Pinterest, as of July 2015, up from 26% in 2008.  . On social media sites like these, users may develop biographical profiles, communicate with friends and strangers, do research, and share thoughts, photos, music, links, and more.
Proponents of social networking sites say that the online communities promote increased interaction with friends and family; offer teachers, librarians, and students valuable access to educational support and materials; facilitate social and political change; and disseminate useful information rapidly.
Opponents of social networking say that the sites prevent face-to-face communication; waste time on frivolous activity; alter children’s brains and behavior making them more prone to ADHD; expose users to predators like pedophiles and burglars; and spread false and potentially dangerous information.
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