>Stack Exchange which is way more rich and runs on small (relative) infra. Yes, I've heard that SO runs on relatively simple and modest infra. And agree that

>Stack Exchange which is way more rich and runs on small (relative) infra. Yes, I've heard that SO runs on relatively simple and modest infra. And agree that would be a good example. >HN is not user friendly How so? I find the HN UX a refreshingly simple and effective experience. It might not have all the bells and whistles of newer discussions fora, but it doesn't obviously need them. I'd say it's a good example of form/function well suited to need. Not perfect perhaps, but very effective. YMMV of course.