Yes, also Hacker News is a good place for linking to interesting questions on our site.
TeX users who don't know TeX.SX yet may visit here and join.
Follow-up comments on the Hacker News site can be interesting for us.
However, I suggest to link to good stories, not to subjective discussions. Good stories can be
Great and profound questions
Great Answers
Site news posted and discussed on the meta site
External stories regarding TeX.SXExternal stories regarding TeX.SX you found on other sites
In the future, posts on the TeX.SX blogposts on the TeX.SX blog