logging on to one computer system and doing work on another. b. person-to-person messaging; document sharing - interactive conversations f. discussion groups on electronic bulletin boards c. transferring files from computer to computer - retrieving, formatting, and displaying information (including text, audio, graphics, and video) by using hypertext links. a. email b. chatting and instant messaging c. file transfer protocol (ftp) d. telnet e. world wide web f. newsgroups