How to Add Face Search to Your App

Your user uploads a selfie. Your app finds every photo of that person across millions of images. Different angles, different lighting, years apart. That's face search. It sounds like something that requires a team of ML engineers, a GPU cluster, and six months of work. It doesn't. But before we get into how to build it, let's talk about why you'd want it in the first place. Where Face Search Actually Gets Used Face search isn't a novelty feature. It solves real problems that other search methods can't touch. Photo platforms. A user has 40,000 photos in their library.