* [https://books.google.com/books?id=YgVzAwAAQBAJ&pg=PA253&lpg=PA253&dq#v=onepage&q&f=false Encyclopedia of New Media: An Essential Reference to Communication and Technology] (pg. 253), by Steve Jones (SAGE Publications, December 10, 2002) | * [https://books.google.com/books?id=YgVzAwAAQBAJ&pg=PA253&lpg=PA253&dq#v=onepage&q&f=false Encyclopedia of New Media: An Essential Reference to Communication and Technology] (pg. 253), by Steve Jones (SAGE Publications, December 10, 2002) |