Please don't post links through bit.ly and other URL indirection sites. It hurts the web by making it much more difficult to follow the link in the case that an

Please don't post links through bit.ly and other URL indirection sites. It hurts the web by making it much more difficult to follow the link in the case that an intermediary goes out of business. Hacker News and your post will probably be around in a few years, but will bit.ly? (What's their business model, exactly...?) For future reference, the unshortened version of his link is: http://www.stanford.edu/class/cs221/handouts/cs221-ps2.pdf http://www.stanford.edu/class/cs221/handouts/cs221-ps2.pdf