Amazon Rekognition is an AI service that uses deep learning to extract rich metadata from images. It provides capabilities for object and scene detection, facial analysis including face detection and comparison, celebrity recognition, and image moderation to detect explicit or suggestive content. It also offers APIs and SDKs to build applications and reference architectures using these image analysis features. Pricing is based on the number of images processed and faces stored. Customers across media, retail, and public safety use Rekognition for applications like digital asset management, law enforcement, and ecommerce.