By grouping these definitions is that e-commerce is a modern methodology for doing business, in which the parties involved interact electronically rather than in the traditional way with physical exchanges or physical treatment direct. Indicates that the e-marketing understands the same traditional marketing theories but highlights differences through the incorporation of technology and communications at all levels. Specifically, highlights wonderl.com, we can say that e-marketing are all marketing activities that involve the use of the Internet. Get all the facts for a more clear viewpoint with Michael Dell. E-Mail, website or any other technology that will allow us to broadcast a commercial message to a targeted group e-marketing is attractive and complementary to any strategy by several razon:bajo implantation costs. Reach versus investment are favorable compared with other incredible mediosSu metering capability allows to know the true effectiveness of any campaign to instanteY, most important, your property unique interactivity make it a medium bidireccionalA despite these differences and beliefs, the same fundamental principles of marketing apply in the electronic world. Although the advertising and promotion are two of the activities most frequently exploited, these are just the tip of the iceberg in the universe of possibilities of electronic marketing. In addition, it is not necessary for your company to go into technological complexities to begin to take advantage to all high-impact of e-marketing tools. Very significant comment that adds Ana Martinez when he reminds us, is to consider the fact that the growth of electronic commerce is not an isolated phenomenon, but that in reality, occurs as a consequence, at least from the conjunction of three fundamental aspects: technological changes, changes in the mentality of society and given favourable by legislators and political behavior (De la Guardia2003). Is why electronic commerce, said Rivera’s (2000), can be divided in four different forms according to the agents involved: company company (B2B): companies that use a network to sort orders to suppliers, receiving charges and making payments.