- B2B (Business to Business) -- Goods and Services being sold from one business to another.
- B2C (Business to Consumer) -- E-Tailing, or virtual storefronts, which means you can browse a business' goods and services online.
- B2E (Business to Employee) -- The definition of eCommerce differs from traditional selling; this includes employees requisitioning supplies for use in their jobs, in addition to being able to shift money in their 401K, update address informaiton, etc.
- C2C (Consumer to Consumer) -- Consumers selling to each other (Ebay and Craigslist are examples)
- B2M (Business to Machines) -- Relatively new, this is using technology to determine inventory, parts ordering, maintennace scheduling, etc.
