Modern e-commerce typically uses the Web for part of the life cycle of the transaction, although it can use other technologies such as e-commerce. Mail. Typical e-commerce transactions include buying e-books (like Amazon) and purchasing music and personalized content. Online auction. E-commerce is supported by e-commerce. E-commerce allows consumers to exchange electronic goods and services without affecting time or distance. E-commerce has expanded rapidly over the last five years and is expected to continue, if not accelerated, at this pace. In the near future, the line between "traditional" and "electronic" trade will be increasingly blurred.