Hi, I am one of those who use; parts of sentences, sentences, topics thoughts, of HN comments/commenters, from the web generaly, but i never asked.
Often it's the provoking, or funy, or.... -stuff, i use. Everytime i finished something "postable" i share it with a cc-nc-share alike-licence, which i think is in the motto of educate, enlightenment, and "share". i hope that i did nothing wrong or intolerable...
it is a direct linking and dev-art doesn't like but risk a look find something dau-related here: http://orig11.deviantart.net/c302/f/2015/257/1/4/_en__by_imm...