Nice article from PC World.

In the Ubuntu tradition, you can do your part to make this process go well for all. With just a few mouse clicks, you can donate some of your upstream bandwidth to smooth the process for others to download the open source OS.

To do so, you’ll be using a peer-to-peer file transfer process called BitTorrent. Invented by Bram Cohen, BitTorrent gained fame for its usage in downloading pirated movies and software, but it can be used for legitimate, legal purposes.

I have been using Torrents for Ubuntu downloads, do you?