all forms of communication,even the lack of it,can have a significant impact on business dealings. A stiffly-worded,official-sounding memo to employees telling them not to talk to the press about impending litigation could be interpreted as admitting that the company did something wrong. Management's repeated "no comments" to employees and the press on a rumored merger may launch dozens of informal discussions about company suitors,how much the company will sell or,and how many employees will be laid off.