Which of the Following Is Considered a Positive Feature of Using

Which of the following is considered a positive feature of using Internet for social research?

A) information can quickly cross vast distances and international borders
B) high "quality control" of all the information on the Internet
C) stability and permanence of sources
D) all important sources are available on the Internet, nothing is missing
E) ease when searching for very specific information -- quickly getting the one piece of specific information needed and nothing extra