> During that period, there were 24,826 first time visitors to any of our sites who we could identify as having first gotten to us via Hacker News (in all, we received more like 105,000 unique visitors from Hacker News, but many of those were repeat visitors). 97 of those visitors signed up, with more than 85% of them electing the free plan. Left unsaid: how many of the 105,000 unique HN visitors are customers? Also…
Word of mouth = great
links = great
hackernews popularity = no value
That's a pretty big hole in their logic.