In one embodiment, a beverage dispensing container includes a primary chamber for holding a first liquid and a fluid dispensing device coupled to the primary chamber. The ADC comprises a plurality of sub-ADCs cascading from the first stage to the last stage, each sub-ADC comprising a current-mode ADC having a digital output, an analog current input, a reference current input and an analog current output. These embodiments also allow future consumer electronic devices to be designed without updating firmware to include a file system customized for a one-time or few-time programmable memory. At least one user preference corresponding to the product attributes is received. The MSC system receiving the call transmits the call setup message to the HLR system.