Plus it's a brilliant ad for his product. Basically, "here's why I wrote this product, once you get hooked on Vim, come back and I'll sell it to you for your d

Plus it's a brilliant ad for his product. Basically, "here's why I wrote this product, once you get hooked on Vim, come back and I'll sell it to you for your day-to-day work." Genius! This is what Hacker News is all about, conversion rate :-)