The link is here:
I agree with him totally on his analysis of our era of post-industry and what it demands of individual. Unlike many liberal or progressive folks who just blindly critisize mass production, we think it is historically an improment for mankind (see my blog https://freestone.wordpress.com/2004/05/18/why-itsoftware-makes-our-world-more-human/).
Our era is transiting from mass production to enpowering individuals. It is the beginning of a great era in human history.
Greenberg said it pretty well. I don’t need to comment too much.
About sudbury, here is another article from another Greenberg (don’t know if the two are related): the art of doing nothing (http://www.thebeachschool.org/articles/greenberg.html).
Another great link about unschooling:
Especially, this following speech is highly recommended. It is a great insight into education.