These conventions or guidelines have been created to avoid misunderstandings and to simplify the communication between users.
Chatiquette varies from community to community and generally describes basic courtesy.
Online chat in a less stringent definition may be primarily any direct text-based or video-based (webcams), one-on-one chat or one-to-many group chat (formally also known as synchronous conferencing), using tools such as instant messengers, Internet Relay Chat (IRC), talkers and possibly MUDs.
The expression online chat comes from the word chat which means "informal conversation".
created by Compu Serve executive Alexander "Sandy" Trevor in Columbus, Ohio.
Online chat includes web-based applications that allow communication – often directly addressed, but anonymous between users in a multi-user environment.
Web conferencing is a more specific online service, that is often sold as a service, hosted on a web server controlled by the vendor.
As internet addiction often stems from emotional issues, work on better managing your feelings.
From there, make a conscious effort to stay off the internet. A qualified therapist can really help you curb your chatting addiction.