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References

References

    Chikhani, Riad. "The History Of Gaming:An Evolving Community." 31 Oct. 2015. Web. 5 May 2017.
    Takahashi, Dean. "Sony dominates console market with 57% share worldwide." 16 March 2017. Web. 5 May 2017.
    Andrews, Stuart. "PS4 vs Xbox One comparion review." 12 April 2017. Web. 5 May 2017.
    Grubb Jeff. "Microsoft's Xbox revenue declined 5% last quarter despite winning some U.S. market share from sony." 20 Oct. 2016. Web. 5 May 2017.
    Orland, Kyle. "Reports:PS4 is selling twice as well as Xbox One, overall." 18 Jan. 2017. Web. 5 May 2017.
    "A brief history of the Xbox 360." 18 Sept. 2014. Web. 5 May 2017.
    "PS3, Wii or Xbox? Let me help!." Web. 5 May 2017.
    D'Angelo, William. "PS4 vs Xbox One vs Wii U Global Lifetime Sales -January 2017 Update-Sales." 3 March 2017. Web. 5 May 2017.
    Clayton, Agent. "What is Steam? Online gaming on your PC." 16 July 2012. Web. 5 May 2017.
    Handrahan, Matthew. "Steam paid revenue flat in 2016 despite escalating releases - Steam Spy." 6 Jan. 2017. Web. 5 May 2017.