Amazon.com, Inc. operates a set of consumer and business-facing platforms that combine online and physical retail, a third-party marketplace, and cloud computing. Its retail model mixes first-party product sales with service revenue streams such as third-party seller fees, advertising services, and Amazon Prime memberships, supported by large fulfillment and logistics networks. Amazon Web Services (AWS) sells on-demand technology services (compute, storage, databases, analytics, and AI/ML) to developers, enterprises, and public-sector customers. The company also designs and sells devices (e.g., Echo, Fire TV, Kindle, Ring) and produces/distributes digital media content and subscriptions.