A method and system enable Internet advertisers to automatically activate and deactivate search terms or groups of search terms in a search engine account at scheduled times to improve return on investment. When a scanning pulse is applied to scanning electrodes, a writing discharge is generated at all of display cells. The data channel is operable to translate data signals in at least one direction between a transmission cable interface and a host device interface. If desired, the remaining fluorine can be completely or partially eliminated to produce single wall carbon nanotubes having substituents attached to the side wall of the nanotube.