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LinkedIn Release Date: A business - and employment - oriented social networking service that operates via websites and mobile apps -
Facebook Release Date: An online social media and social networking service based in Melo Park, California. -
Youtube Release Date: First large-scale video sharing website that makes it easy to watch videos online -
Twitter Release Date: A service for friends, family, and coworkers to communicate and stay connected through the exchange of quick, frequent messages -
Instagram Release Date: The home for visual storytelling for everyone from celebrities, newsrooms and brands, to teens, musicians and anyone with a creative passion