Abhishek Jain asks Stack Overflow about the differences between zlib, gzip and Zip, and gets a fascinating and very insightful response from none other than Mark Adler.
2012
I like auto-fill-mode and even have it customized for LaTeX-mode in my Emacs configuration. However, while working with other people via a distributed version control system, like I do with my friends, auto-fill-mode can be a real pain if not everyone uses it.