Large web projects created in Python

Question

Please list large projects that are made using Python that you know. Please give urls of sites.

Answer 1

http://www.reddit.com

Answer 2

1. Here's a list of commercial uses of Python
2. Here are some more examples of Python being used in business and industry.

Answer 3

http://stackoverflow.com/questions/415627/big-web-2-0-sites-written-in-python

Answer 4

The Onion - Source