I took a several month break from HN and decided to have a go at participating again.I now remember one of the main reasons I stopped posting: It seems that if I comment on more than a handful of articles, I am hit with a rate limiting message saying I am posting too fast. I guess I can see the reasoning behind that, but even after waiting several hours I still get the message.Is this unique to my account or did the rules change earlier this year? It's nearly impossible to participate in productive discussion if you are limited to 5 messages per day.