Ecommerce (e-commerce) or electronic commerce, a subset of e-business, is the purchasing, selling, and exchanging of goods and services over computer networks (such as the Internet) through which transactions or terms of sale are performed electronically. Contrary to popular belief, eCommerce is not just on the Web
Companies doing business with each other such as manufacturers selling to distributors and wholesalers selling to retailers. Pricing is based on the quantity of order and is often negotiable
Businesses selling to the general public typically through catalogs utilizing shopping cart software. By dollar volume, B2B takes the prize, however, B2C is really what the average Joe has in mind with regards to eCommerce as a whole.
A consumer posts his project with a set budget online and within hours companies review the consumer’s requirements and bid on the project. The consumer reviews the bids and selects the company that will complete the project.
There are many sites offering free classifieds, auctions, and forums where individuals can buy and sell thanks to online payment systems like PayPal where people can send and receive money online with ease. eBay’s auction service is a great example of where person-to-person transactions take place every day since 1995.