Related to the Economics in Practice on P

Related to the Economics in Practice on p.722: In the Kerala region of India,fishermen used cell phones to help connect buyers and sellers,reducing waste.All of the following describe ways in which technology is likely to improve information flow and increase economic efficiency EXCEPT

A) fax technology makes it possible to transmit signed contracts in seconds,allowing the parties to the contract to begin performing their contract duties more quickly.
B) high-speed Internet connections allow engineers in developing countries to collaborate with firms all around the world.
C) e-mail now makes criminals who commit certain kinds of fraud very difficult to identify and arrest.
D) video conferencing decreases the need for expensive business travel.