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Internet users assume online personas in virtual environments like chatrooms and MUDs by 'acting' in different styles.

In order to do that, they can change identities repeatedly and chat with others who share similar interests but who may be geographically located hundreds or even thousands of miles away.They then "chat" by sending each other both public and private text messages.

For instance, messages come in many different abbreviations like:

btw = by the way
omg = omg
brb = be right back
gtg = gotta go