Before revision: Based on visual representation chats are divided into text based chat room just as were IRC and Bitnet Relay Chat, 2D – supporting graphic smilies; and 3D the conversation in which takes place in 2D graphic surrounding.
After revision: Based on visual representation chats are divided into text based chat room just as were IRC and Bitnet Relay Chat, 2D – supporting graphic smilies; and 3D the conversation in