1. Free riding on Gnutella
2. BOINC: A System for Public-Resource Computing and Storage
3. }}BBC News. One million viewers use iPlayer http://news.bbc.co.uk/2/hi/technology/7187967.stm. }}BBC News. One million viewers use iPlayer http://news.bbc.co.uk/2/hi/technology/7187967.stm.
4. }}Bittorrent (protocol). Wikipedia; http://en.wikipedia.org/wiki/BitTorrent_(protocol)#Adoption. }}Bittorrent (protocol). Wikipedia; http://en.wikipedia.org/wiki/BitTorrent_(protocol)#Adoption.