A(n) is a collaborative web site that people use to communicate with each other. if you’re sending an e-mail message from your laptop to a classmate, the laptop is the a(n) is an informal web site of time-stamped articles written in a journal format. a(n) is an audio file distributed through downloads or feeds. a(n) is a web site where members share interests, ideas, and information. term podcast wiki blog source social network