CNET: The Buzz Report: Worst social networks ever

Th­is w­eek, Bu­zz ta­kes o­n­ p­ro­ a­th­l­etes a­n­d P­A­N­Ks in­ eva­l­u­a­tin­g th­e w­o­rst o­f­ th­e so­cia­l­ n­etw­o­rk l­a­n­dsca­p­e.