A computer-cost subsidizing method wherein an interface medium targets commercial advertisements for each household based on, and consistent with, that household’s television-viewing profile. Also disclosed are methods of treating lesionous symptoms of a viral infection involving applying an effective amount of the anti-viral composition to the lesions. Drugs are delivered by osmosis or by the device dissolving. The structure allows an operator to install or remove the packing to or from the accommodating portion inside the splash cover without interference from the splash cover.