There needs to be a clear guideline for how to use Show HN in submissions: should it be used to showcase a cool project, or should it be used as a form of Hacker News-friendly SEO for veiled product announcements?<p>After all, OP submitted a link without the Show HN: <a href="https://news.ycombinator.com/item?id=6686207" rel="nofollow">https://news.ycombinator.com/item?id=6686207</a>