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   In the early 2000s, MySpace and LinkedIn became popular, allowing users to share photos online. In the early 2000s, MySpace and LinkedIn became popular, allowing users to share photos online.
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  Facebook and Twitter were both open to users all over the world by 2006. These sites are still among the most popular social media sites on the web.
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   When YouTube first launched in 2005, it gave people a whole new way to connect and share with one another over long distances. When YouTube first launched in 2005, it gave people a whole new way to connect and share with one another over long distances.
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   Tumblr, Spotify, Foursquare, and Pinterest are only a few of the many social networking sites that have sprung up to fill unique social networking gaps. Tumblr, Spotify, Foursquare, and Pinterest are only a few of the many social networking sites that have sprung up to fill unique social networking gaps.