<P> Email has been widely accepted by business, governments and non-governmental organizations in the developed world, and it is one of the key parts of an' e-revolution' in workplace communication (with the other key plank being widespread adoption of highspeed Internet). A sponsored 2010 study on workplace communication found 83% of U.S. knowledge workers felt email was critical to their success and productivity at work . </P> <P> It has some key benefits to business and other organizations, including: </P> <Dl> <Dt> Facilitating logistics </Dt> <Dd> Much of the business world relies on communications between people who are not physically in the same building, area, or even country; setting up and attending an in - person meeting, telephone call, or conference call can be inconvenient, time - consuming, and costly . Email provides a method of exchanging information between two or more people with no set - up costs and that is generally far less expensive than a physical meeting or phone call . </Dd> <Dt> Helping with synchronisation </Dt> <Dd> With real time communication by meetings or phone calls, participants must work on the same schedule, and each participant must spend the same amount of time in the meeting or call . Email allows asynchrony: each participant may control their schedule independently . </Dd> <Dt> Reducing cost </Dt> <Dd> Sending an email is much less expensive than sending postal mail, or long distance telephone calls, telex or telegrams . </Dd> <Dt> Increasing speed </Dt> <Dd> Much faster than most of the alternatives . </Dd> <Dt> Creating a "written" record </Dt> <Dd> Unlike a telephone or in - person conversation, email by its nature creates a detailed written record of the communication, the identity of the sender (s) and recipient (s) and the date and time the message was sent . In the event of a contract or legal dispute, saved emails can be used to prove that an individual was advised of certain issues, as each email has the date and time recorded on it . </Dd> </Dl> <Dd> Much of the business world relies on communications between people who are not physically in the same building, area, or even country; setting up and attending an in - person meeting, telephone call, or conference call can be inconvenient, time - consuming, and costly . Email provides a method of exchanging information between two or more people with no set - up costs and that is generally far less expensive than a physical meeting or phone call . </Dd>

List four advantages of using the email in office communication