• E-retail is the sale of goods and services over the Internet.

  • E-commerce may include business-to-business (B2B) and business-to-consumer (B2C) sales of products and services.
  • Amazon.com (AMZN) is by far the largest online retailer offering consumer products and subscriptions through its website.
  • Many traditional brick and mortar stores are investing in online shopping through their websites.