It all started with the Pidgin chat window, which is surrounded by several pixels of padding. To my eyes the padding doesn’t achieve anything, it just wastes space and detracts from the clean, minimalist lines of the Buddy List. After much fumbling, I managed to change it in the Pidgin source code . Bug 6987 [...]

Dear web 2.0 coolios,
Please stop writing comment systems with half-assed threading. I understand you had to replace all those icky newsgroups on usenet, but you could have done a better job.
Take a look at Google Groups, Gmane. See how all those conversations are nicely grouped together? See how nobody is writing @previous_author? Please sort it [...]