An individual's presence could be reflected in any kind of content that refers to that person, including news, participation in blogs and forums, personal web sites,[5] social media presence, pictures, video, etc. Because of that, online identity management often involves participation in social media sites like Facebook, Google+, LinkedIn, Flickr, YouTube, Twitter, Last.fm, Myspace, Quora, Tumblr, Pinterest and other online communities and community websites, and is related to blogging, blog social networks like MyBlogLog and blog search engines like Technorati.