Yeah, the main reason, assuming you're a "ML-based business", is you want to validate your market and not spend a ton of money creating something that's not pro

Yeah, the main reason, assuming you're a "ML-based business", is you want to validate your market and not spend a ton of money creating something that's not profitable. Anyway, there are many more obvious use cases. Other apps/games/services that need to detect faces or filter out porn and so on. Imagine a dating site that estimates age and more based on photos, while also filtering out NSFW images.