eBay is a leading e-commerce platform that connects buyers and sellers from all around the world. It offers a diverse range of products and services, from electronics to fashion, home goods, and more. With millions of active users, eBay provides a global marketplace for businesses of all sizes to sell their products and reach a broader audience. eBay's platform includes features such as bidding, instant purchasing, and seller ratings, which help to ensure a safe and reliable buying experience. eBay is a trusted and established platform that continues to evolve and innovate, providing a comprehensive suite of tools and resources for businesses to succeed in the e-commerce world.

Cloud Firestore is a flexible, scalable database for mobile, web, and server development from Firebase and Google Cloud. Like Firebase Realtime Database, it keeps your data in sync across client apps through realtime listeners and offers offline support for mobile and web so you can build responsive apps that work regardless of network latency or Internet connectivity. Cloud Firestore also offers seamless integration with other Firebase and Google Cloud products, including Cloud Functions.