Methods of monitoring a computer system. Graphical and textual content for the contextual storefronts is retrieved based upon detected keywords, and presented in contextual storefronts which are associated with conversation and text entry boxes or other parts of an electronic message system display. In general, the components of the magnetic circuit determine the overall size, weight, and much of the cost of a gridless ion source. The ink tank device supplies the ink to the one end side of the common supply pipe, and collects the ink from the common collection pipe. The reading member is fixed to the connecting member to read the optical disc. Flexible latching members of the latching sleeve engage a latching surface of the contact terminal to prevent inward movement of the contact terminal within the insulating tube when the pin within the high voltage terminal is engaged.