Embodiments of the present disclosure are directed to, among other things, providing resource allocation advice, configuration recommendations, andor migration advice regarding data storage, access, placement, andor related web services. To achieve this, a paste consisting of a viscous emulsion or dispersion of paraffin, polysiloxane andor fluorine compounds is applied to one side. Esterase activity can be measured using fluorescent compounds such as fluorescein diacetate. The first function is a general application dependent function, the second function is a keyboard function, and the third function is a task and file manager. A method of forming the multi-layer electrode structures as well as a battery and double-layer capacitor formed from the multi-layer electrode structures are also disclosed.