What is Web 1.0

https://www.youtube.com/watch?v=YXFYkbQRgY4

What is Web 2.0

https://www.youtube.com/watch?v=Bc0oDIEbYFc
https://www.youtube.com/watch?v=T0QJmmdw3b0

What is Web 3.0

http://webtrends.about.com/od/web20/a/what-is-web-30.htm
http://www.pcmag.com/article2/0,2817,2102852,00.asp
http://www.w3.org/standards/semanticweb/
http://www.1stwebdesigner.com/design/web-3-introduction/