2007-12-19T23:55:56Z Learn all about include and extend in Ruby. http://bparanj.blogspot.com/2007/12/include-vs-extend-in-ruby.html http://www.zepho.com/download/IncludeExtendRuby.mov.zip 7 mins 5 2007-12-19T23:55:56Z 5 9 2008-07-16T16:32:28Z