A method for utilizing proxy designation in a call system includes receiving a call from a first user over a first connection with a first endpoint of the first user. One example process can include forming one or more guard traces between an edge of the touch sensor and the metal traces that route the drive and sense lines to bond pads. Each of the plurality of the internal electrodes comprises an external flange expanded in a direction from the internal periphery of the p-type thermoelectric member toward the external periphery of the p-type thermoelectric member. Additional applications include a magnifying mirror for shaving or applying cosmetics.