Apparatus, method, and non-transitory computer readable medium for providing chat service

A method of providing a chat service, the chat service facilitating an exchange of a conversation through chat rooms on-line between an apparatus and at least one external electronic device, the method comprising:

• receiving, by an input device associated with the apparatus, a first input requesting information related to a conversation content, the conversation content being a content of the conversation in a first one of chat rooms, the first input indicating which of the chat rooms is the first one of the chat rooms;
• receiving, by the input device, a second input specifying specified pieces of the conversation content, the specified pieces having a time frame associated therewith;
• determining, by a controller associated with the apparatus, statistical information related to the specified pieces of the conversation content within the time frame based on the first input and the second input;
• and
• displaying, by a display device associated with the apparatus, the statistical information within the first one of the chat rooms.