This application describes methods for searching digital information such as digital documents and computer databases, and specific search techniques such as authority ranking and information retrieval relevance ranking in keyword searches. The barrier instruction is executed and while the barrier operation is pending, a load request associated with the load instruction is speculatively issued. A mouthpiece is in communication with the inhalation channel for enabling inhalation of the dose of powdered medicament when in the inhalation position. The storage compartment comprises a frame and at least one shelf having a support surface. Furthermore, the fitting pin is plated with nickel, chromium, palladium or rhodium. The duration of electrocardiograph recordings are processed to resolve RR interval related data, QT interval related data, and are fitted to formulas to at least partially establish fitting related measures.