BitTorrent is a program for interchanging files. It has very good transference rates.
BitTorrent is a program of file interchange that obtains very good transference rates. Bittorrent does not make use of a central server like other programs P2P. It is perfect for all type of files: music, videos, films, documents, images, etc.
Since it is a system for interchanging files, the more you share the faster you will download other files.