There's a lot in there about specifically what they did, with repeated cautions not to overcomplicate a scaling solution. For most of us on HN, though, I think

There's a lot in there about specifically what they did, with repeated cautions not to overcomplicate a scaling solution. For most of us on HN, though, I think only these slides are needed: 180 don't over-optimize or expect to know ahead of time how site will scale 184 few, if any, unsolvable scaling challenges for a social startup 185 have fun