TL;DR AI comment patterns are reshaping how new Hacker News (HN) participants engage, with a striking rise in special‑character usage—EM dashes (—), arrows, and emojis—reportedly 10× higher than in legacy accounts. This shift hints at broader adoption of AI‑assisted commenting tools and may affect trust, moderation, and future community dynamics. ๐ก Quick Pick: New HN accounts using EM dashes are likely leveraging AI comment patterns to grab attention quickly. What happened (facts) According to a recent analysis posted on GeekNews, the comment habits of freshly created HN accounts differ markedly from those of long‑standing users. The study examined thousands of comments across the platform and found that 17.47% of new‑account posts contain EM dashes (—), arrow symbols (→), or other special characters, compared with just 1.83% for established accounts—a roughly tenfold increase. GeekNews reports also note that many of these newcomers frequently mention AI‑related topic...