The term “e-Commerce” refers to the use of an electronic medium for the sale of products and services. As examples of electronic payment systems, we find payment gateways or virtual POS for payment with the card, electronic wallet systems, and systems that connect directly with the user’s electronic banking.

Since about two years ago, the billing program Easy fat we have added the e-commerce functions, some of those who used the program in the store took advantage to start making sales including on the Internet, suddenly widening the customer base and moving from a local dimension, maybe to a neighborhood.