About the 80 lines width: yes, and it is much more important now than never (in my opinion). Have a look at most news websites, or at a normal book, or a newspa

About the 80 lines width: yes, and it is much more important now than never (in my opinion). Have a look at most news websites, or at a normal book, or a newspaper, or LaTeX (and even Word!) standard text-width, it's all fitting in around that size because it is very efficient to read. Unlimited width for text is a UI anti-pattern, as the eye gets more and more pain to find the next line. A great example of site respecting the 80 chars rules is Paul Graham's essays site, reading it is a pure pleasure also because of the fine presentation.