Previous submissions:

http://news.ycombinator.com/item?id=2815112

http://news.ycombinator.com/item?id=2816073

http://news.ycombinator.com/item?id=2816862

It's not highly regarded.

Just for fun, here's an alternative chart. It doesn't show language evolution, but it's a fun take on motivation - every language tries to fix something:

http://news.ycombinator.com/item?id=2816526