This is not a valid Show HN until you have something for people to try out. People can&#x27;t try out an email signup, which is why email signups are explicitly excluded by the rules:<p><a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;showhn.html" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;showhn.html</a>