The present spirit level has an elongated body with a longitudinal leveling face and at least one inclination peg retractably mounted in the body. The transferred information controls the communications relationship, including responses by the consumer computer, updating of information, and processes for future communications. A nosepiece and knobs are adjusted such that a lower end of a guide rod may be rotated about various points relative to the nose and held in predetermined angles relative to the nose and eyes, possibly supported magnetically on a lower track adjacent the nostrils and an upper track above the eyebrows. The atomizer is connected to a gas inlet and a sample inlet. A similar technique is employed for encoding electronic mail messages in the client that are to be transmitted to the server.