A bra storing case comprises a left casing and a right casing, which each have respectively a breast contour concave, which are symmetrical to each other for storing breast cups. According to embodiments of the present invention, a relevance rule is generated based on a user model and language from within one or more relevant and non-relevant documents. An auxiliary device is provided for the primary device. A reader device may be used to help make a verification determination of whether encrypted or encoded data has been altered. At least some of the service conveying packets comprise media signals.