Everything. Got my current job by helping someone on HN, got the motivation to go abroad by reading HN, inspired weekly by HN articles and comments. Seriously,

Everything. Got my current job by helping someone on HN, got the motivation to go abroad by reading HN, inspired weekly by HN articles and comments. Seriously, internet without Hacker News would suck. The community, administration, and ranking of the articles are just great to keep up to date with the tech field.