And Vuze Inc., a company that distributes video using BitTorrent file-sharing technology, later filed a separate complaint, asking the FCC to clarify how much power Internet service providers have in controlling traffic on their lines.

In an investigation last year, The Associated Press found that Comcast in some cases hindered file sharing by subscribers who used BitTorrent. The findings, first reported Oct. 19, confirmed claims by users who also noticed interference with other file-sharing applications.

Do you block access to peer-to-peer applications like BitTorrent?
No. We do not block access to any Web site or applications, including BitTorrent. Our customers use the Internet for downloading and uploading files, watching movies and videos, streaming music, sharing digital photos, accessing numerous peer-to-peer sites, VOIP applications like Vonage, and thousands of other applications online.

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