Ecommerce consists of the buying and selling of products or services over electronic systems such as the Internet and other computer networks. The amount of trade conducted electronically has grown extraordinarily since the spread of the Internet.

A large percentage of electronic commerce is conducted entirely electronically for virtual items such as access to premium content [...]

The Mobile Web refers to the access to the World Wide Web using a mobile device such as cell phones, PDAs, and other portable gadgets connected to a public network. Such access does not require a desktop computer, nor a fixed landline connection. Services on the Mobile Web can include capabilities that do not exist [...]