The term 'Web Marketplace' can be summarized as an online platform where buyers and sellers can meet to conduct business. One of the most popular web marketplaces is eBay, which is a four-letter word. eBay was founded in 1995 and has since become one of the world's largest online marketplaces, allowing people to buy and sell goods from all over the world. eBay also offers services such as payment processing, shipping, and customer service.