MARK COLVIN: Polish authorities have arrested the owner and operator of one of the world's largest online piracy websites.
Thirty-year-old Ukrainian Artem Vaulin faces US charges of criminal copyright infringement and conspiracy. He is the alleged owner of the file-sharing website Kickass Torrents.
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Since 2008, according to the US Justice Department records, KAT has become a place for people who want to download and upload anything for free. KAT become servers in various countries during this 'rescue' Vaulin police pursuit. Six years later, KAT managed to beat Pirates Bay, illegal sites are similar, with 50 million active daily visitors.