Haven't read the article, I just like the picture... http://plpatterns.com/post/307982918/its-hard-to-change-a-little-its-much-easier-to http://plpatterns.com/

Haven't read the article, I just like the picture... http://plpatterns.com/post/307982918/its-hard-to-change-a-little-its-much-easier-to http://plpatterns.com/post/307982918/its-hard-to-change-a-li...