What is product market fit

Tren Griffin: 12 Things about Product-Market Fit (a16z.com link) Also see: Cover art by: https://productcoalition.com/5-signs-youve-achieved-product-market-fit-9e0b645e5452 If you would like to expand on the topic as a guest post, know of more resources/posts/essays/etc that we should share here or simply spotted an error, please get in touch with us!