Electronic commerce generally known as e-commerce is the process of selling and buying the products over electronic systems such as computer networks or the internet. With availability of the internet, the trade conducted through the e-commerce has grown tremendously. The online retailers are known as e-tailers. There are many types of e-commerce like B2B, B2C, B2G, B2E etc.

With the introduction of e-commerce the business models have changed across the world along with the US. Various other countries too are contributing to the growth of e-commerce like in UK, when measures in terms of spent per capita it is the largest e-commerce market in the world. Brazilian e-commerce is growing because of the tax reductions and the interest in the consumers. China has 384 million internet users and the online market share is $36.6 billion in 2009 and the reason for this growth in e-commerce has improved trust level for shoppers. The other factors which helped in the growth of the e-commerce are increased speed of the broadband internet, advanced home delivery methods and the use of mobile phones for the online shopping and the payment of bills.

E-commerce is the sales channel of the future and e-retailers have to track the trends, consumer demands and competitors in this challenging market. The success of an e-commerce entrepreneur depends on the objectives of the company, the company has to get the reliable and up to date information as it provides insight in to the dynamics of the market.