Which of the following is an impact of the Internet on consumers' shopping behavior??
a. ?Consumer reviews on the Internet about various products tend to be equal in quality.
b. ?Extranets are programs that search the Internet for the best price for a particular product.
c. Business-to-business auctions are likely to be the dominant form of Internet auction in the future.
d. ?The Internet auction business is likely to disappear in the future.