1). DIFFERENCES: “is the application of advanced information technology to increase efficiency in business relationships between trading partners.” (Automotive Action Group in North America) “The availability of a business vision supported by advanced information technology to market improve efficiency and effectiveness within the global business process.” (EC Innovation Center) “is the use of computer and telecommunications technologies that takes place loans between companies or between sellers and buyers, to support trade in goods and services.” 2). The e-commerce (the anglicized Electronic Commerce) is to buy and sell products or services through electronic systems such as the Internet and other computer networks. The exchange conducted electronically has grown dramatically since the popularization of the Internet. Strategies and techniques are what makes him phenomenon is a member of: American Arbitration Assn. A wide variety of commerce is conducted in this way, spurring and drawing on innovations in financial transfers, supply chain management, online transactions, electronic data interchange (EDI), inventory management systems, etc.. Modern electronic commerce typically uses the WWW (World Wide Web) at some point in the cycle of the transaction, but may include other technologies such as e-mail. 3). E-business is to improve the functioning of a business through connectivity, the connection of the value chain between businesses, suppliers, partners and customers in order to achieve better customer relationships, reduce costs equity and to disintermediating integrate business banking processes, financial in addition management to penetrate niche and profitable market segments. 4). TYPES OF E-COMMERCE: account B2C involves selling to consumers and businesses is the trading type of e-commerce that most consumers will likely find. In companies 2001, consumers spent an average of 65 billion in B2C transactions. B2B business involves selling to other businesses and is money the largest ecommerce, with an estimated 700 billion in transactions that consumer occurred in 2001. C2C is a means group for consumers to sell to each other. At C2C, the consumer prepares the product for the market, positions the product for sale and auction at the Market maker trusts that provides catalogs, search engines and clear transaction capabilities so that products are displayed, discovered and easily purchased. P2P technology allows Internet users share files and computer resources directly without having to go to a central Web server. Services to share music and files, such as Gnutella, its a clear example of this type of ecommerce, because consumers can transfer files directly to other consumers without wrapping a commercial central server. Major: bittorrent, napster, e-donkey, e-mule, etc. M-commerce involves the use of digital devices to enable wireless transactions on the Web. Many companies now offer wireless internet, this is the case of Telefonica, Claro, who provide a company small USB device which can access the internet wherever you banks sign for these companies, like a cell phone. 6).