heres some links before you go buying VPN services :
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Note don't let anybody fool you, nothing is 100%, peerblock only blocks 'known' ip addresses, this means that anybody who isn't on the blacklist can still track you. Peerblock just minimizes this, but its pretty pointless tbh. I would suggest picking out a VPN service best suited for you, try to stick to direct download links, and if you have to use torrents, don't seed/download for too long. Since anybody can see who is torrenting that file in real time. Your best bet is to just switch ISP's, since ISP's can still see everything you do. All the data that you send/gets sent to you passes through their services, there is no way to hide this data unless the uploaded encrypts it, and the downloader decrypts it.