E-Commerce
E-commerce refers to companies and individuals that buy and sell goods and services over the internet.
E-commerce operates in different types of market segments and can be conducted over computers, tablets, smartphones, and other smart devices.
Nearly every imaginable product and service is available through e-commerce transactions, including books, music, plane tickets, and financial services such as stock investing and online banking. As such, it is considered a very disruptive technology.
E-business involves the entire process of running a company online. Put simply, it's all of the activity that takes place with an online business.