Chapter 2, Problem 42SG

Explanation of Solution

Email:

• It is a method of swapping messages between people who use electronic devices. Email that functions across computer networks also known as internet.
• Email has played a vital role in creation of internet.
• Today, it has become one of the most widely used internet services.

Email list:

• Email list is widely famous among the business groups.
• This is defined as the set of email addresses that is created by business groups by engaging with potential customers through lead-generating campaigns.
• The length of email list shrinks as the members unsubscribe the email group, and grows as the business solicits information from website visitors.

Internet messaging (IM):

• It is an online chatting between friends.
• Instant message is an immediate message.
• It is a synchronous communication because messages are sent in a continuous stream.
• It proposes real-time text transmission through internet.
• It generally contains only one or two lines of data.
• It does not have any format to message.
• Popular instant messengers available recently are Google Talk, Skype, Yahoo messenger, etc.

Instant Messaging

• Instant messaging is the most basic form of interaction.
• It is an online chat that contains the connection between two parties.
• For communication, the contact of the person is identified using the buddy list.

Chat rooms:

• Chat rooms are nothing but any form of synchronous conferencing, occasionally even asynchronous conferencing.
• This refers to any technology that ranges from real-time online chat and online interaction with strangers to fully immersive graphical social environments...