Amazon: The e-commerce giant, with a global presence and a wide range of product

Amazon: The e-commerce giant, with a global presence and a wide range of products, from books to electronics and clothing. Ali Baba: Primarily in Asia, it is one of the largest platforms in the world, with a focus on both consumers and businesses. eBay: Popular in many countries, this platform is known for its auctions and the sale of new and used products. Walmart: Although known for its physical stores, its online platform is one of the largest, especially in the United States. Shopify: A platform that allows small and large businesses to create their own online stores, and has grown rapidly in popularity in recent years.