Today I noticed that an article in the German Wikipedia is linking to my site. The article about multimedia technologies is linking to my page about audio compression (German only). I wrote this back in the days when I was in the university (and I got a good grade in a multimedia course for it, MP3 was new stuff back then).
A minor amount of the Wikipedia article seems to be taken from my page (according to a search engine which is supposed to detect plagiarism). This is sort of cool (and the way it is done 100% valid use of my content, IMO). 😎