15.6 Social networking is one of the most prevalent Internet user activities today in many countries. However, given the geographic virality and social aspect of social networks, it has been very challenging for any specific network to dominate internationally. Le Monde created a compelling graphic describing this dynamic in 2008

(radar.oreilly.com/archives/2008/04/worldwide-social-networkmarket-

share.html). Leveraging the concepts in Section 6.3, Section 13.3, and Section 15.3,

(a) describe the international expansion strategies selected by top social networking companies (e.g., Facebook, MySpace, Friendster, Bebo, Cyworld, Orkut),

(b) describe some of the reasons each social networking firm has developed the global presence it has, and

(c) how could this impact the business models chosen by each company.