What is the purpose of communication, and what does the communication process involve? How can managers deal effectively and efficiently with grapevine, nonverbal communication, and upward communication? What changes have tools such as e-mail and instant messaging made in workplace communication? What new communication challenges have these tools created? What policies or guidelines should organizations consider developing with regard to computer-related communication issues such as e-mail, IM, and the use of the Internet (particularly in terms of chat rooms and pornography)?