>So it seems to me at least one person has designed a system that allows this and keeps out spam without using a CAPTCHA. That more to do with Hacker News bein

>So it seems to me at least one person has designed a system that allows this and keeps out spam without using a CAPTCHA. That more to do with Hacker News being a low-value target than with its anti-spam prowess. If you really wanted to spam Hacker News, you could.