137) ________ electronic commerce involves consumers selling directly to consumers.
138) The use of handheld wireless devices for purchasing goods and services from any location has been termed ________.
139) E-commerce Web sites have ________ to track a shopper's every step through an online store.
140) ________ enables the computer-to-computer exchange between two organizations of standard transactions such as invoices, bills of lading, shipment schedules, or purchase orders.
141) ________ involves not only purchasing goods and materials but also sourcing, negotiating with suppliers, paying for goods, and making delivery arrangements.
142) ________
typically consist of a large firm using an extranet to link to its suppliers and other key business partners.
143) ________ systems have been developed for purchases of less than $10, such as downloads of individual articles or music clips, which would be too small for conventional credit card payments.
144) ________
refers to the ability of consumers to discover what merchants actually pay for products.
145) ________ are the merchants' costs of changing prices.
146) A(n) ________ provides an online meeting place where people with similar interests can communicate and find useful information.