Mr Hery Cahyono, a face recognition expert from the police's Indonesia Automatic Fingerprints Identification System (Inafis) division, said the authorities used several methods, including biometrics, to check whether the woman who appeared in the sex chats was really Ms Firza.
Chat rooms are a cool place to chat with other friends.
People increase chat community by using chat rooms.
Major brand name advertisers such as Pepsi Co Inc., Georgia-Pacific Corp., State Farm Mutual Automobile Insurance Co., Countrywide Mortgage and T-Mobile withdrew ads placed on Yahoo!
web pages that may have come under association with the offensive chat rooms.