Wikis,blogs and RSS Would Most Likely Replace E-Mail for All

Multiple Choice

Wikis,blogs and RSS would most likely replace e-mail for all of the following reasons except:

A) E-mail is limited as a collaborative tool.
B) E-mail is primarily for point-to-point communication.
C) CC and BCC fields in an e-mail can be dangerous because often the wrong person gets a copy of the message.
D) Wikis,blogs,and RSS are more secure than e-mail.