Related to how Hacker News changes lives:
How a simple comment on Hacker News motivated me to resign from my comfortable well paying job and launch my own startup
http://blog.freshdesk.com/the-freshdesk-story-how-a-simple-c...
The rest of our discussion on Hacker News/startup lessons here: http://hackerne.ws/item?id=4426093 (An interesting take on addressing the pain points of customers).