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A South Korean surfs the Web at an Internet cafe in Seoul

Russian 'Spam King' pleads not guilty to federal charges

Oleg Nikolaenko, a 23-year old Russian, has pleaded not guilty to federal charges that he is the mastermind behind a notorious botnet, dubbed Mega-D, that controlled a network of infected computers and generated some 10 billion spam e-mails daily, or a third of the world's total.