The e-commerce market has changed the way business is transacted, whether in retail or business-to-business, locally or globally. Prior to the Internet, success in retail was said to hinge on location, location, and location. Now, the Internet is a global marketplace, affording even the smallest retailer a national -- if not a global -- presence. The scope of the e-commerce marketplace is difficult to measure. The e-commerce market has become such a vital part of the economy that is difficult to pinpoint exactly where e-commerce begins and the old world economy ends.