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Yuval Golan Professor Riccardo Tiscini

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<strong>Yuval</strong> <strong>Golan</strong><br />

Barter Online Platform<br />

networking behemoth sites, Facebook, was launched in 2004 (Rosenbush, 2005), and in fact, it is<br />

the largest of the social networking sites as of today (Social Graph-iti, 2010).<br />

Today, it is estimated that more than 200 active sites now use various social networking models to<br />

enhance their users’ experience.<br />

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