Spree

Electronic commerce, commonly known as e-commerce, is a type of industry where buying and selling of product or service is conducted over electronic systems such as the Internet and other computer networks.

eBay Inc. is an American multinational internet consumer-to-consumer corporation that manages eBay.com, an online auction and shopping website in which people and businesses buy and sell a broad variety of goods and services worldwide.

Gilt Groupe is a shopping website based in the United states, offering its members merchandise, clothing, home decor, delicatessen food, travel and activities.