“in december 2019 we dropped the video just for animation and then we dropped kind of the casual use case to focus on the pro and if you reach local maxima from one vertical like product market fit then you're investing so much on the deck it gets better than the all the local maximas are adjacent like you can reach them after”

Drop Every Use Case That Isn't Your Best One — YC's Local Maxima Principle

PhotoRoom cut video features and casual use cases in late 2019 to go all-in on pro/e-commerce photo editing. The YC framing: once you've reached local PMF in one vertical, adjacent verticals become accessible — but you can't get there without first fully saturating the first peak. Founders who try to serve every use case simultaneously reach no peak at all.