This appears to be the blog of the girl who gave the speech, but here is the previous discussion.

http://news.ycombinator.com/item?id=1573636 <- Over 200 comments

Additionally video:

http://news.ycombinator.com/item?id=1592436

http://news.ycombinator.com/item?id=1592481

http://news.ycombinator.com/item?id=1600567