System and method using low voltage current measurements to measure voltage network currents in an integrated circuit. The path is made of a plurality of web pages that have previously been accessed and from which the presently displayed Web page emanates. The logical device is associated with a translator that is capable of communicating with the physical hardware device associated with the logical device using the device-specific particulars needed to communicate with that physical hardware device. The water-based, erasable marking composition comprises the composition of the invention.