"pre-product market fit" - links to a list of resources: - The only thing that matters by Marc Andreessen https://pmarchive.com/guide_to_startups_part4.html - What is “product/market fit” by Emmett Shear: https://twitter.com/eshear/status/1155180521485242368?lang=e... - Andy Rachleff on “How to Know If You’ve Got Product Market Fit” https://greatness.floodgate.com/episodes/andy-rachleff-on-ho... - How Superhuman Built an Engine to Find Product/Market Fit by Rahul Vohra https://firstround.com/review/how-superhuman-built-an-engine... - The real product market fit by Michael Seibel https://www.ycombinator.com/library/5z-the-real-product-mark... - Jeff Chang's blog - specifically his take on retention as measure of PMF https://www.growthengblog.com/ - Sequoia's Doug Leone discusses PMF https://streamable.com/rm7pr7 - Dalton Caldwell & Michael Seibel discuss PMF https://youtu.be/UqKzpLqXuI0
"Series A Milestones" - links to a private resource available only to YC founders
"Save your startup during an economic downturn" - https://www.youtube.com/watch?v=0OVSTWozvfY