Online shopping is a form of electronic commerce whereby consumers directly buy goods or services from a seller over the Internet without an intermediary service. An online shop, eshop, e-store, Internet shop, webshop, webstore, online store, or virtual store evokes the physical analogy of buying products or services at a bricks-and-mortar retailer or shopping centre. The process is called business-to-consumer (B2C) online shopping. When a business buys from another business it is called business-to-business (B2B) online shopping.
Like many online auction websites, many websites allow small businesses to create and maintain online shops (ecommerce online shopping carts), without the complexity that involved in purchasing and developing an expensive stand alone ecommerce software solutions.