A magnetic article has a magnetic layer having magnetized particles dispersed in a natural or synthetic resin binder and an adjacent high-permeability layer having high-permeability particles dispersed in a natural or synthetic resin binder. Conventionally, the \u201cconnected\u201d icon in the system tray only informs the user that the computer is linked to a network medium, such as an Ethernet or wireless access point. When use period of the assigned network address expires, new network address of own router is at first assigned. A virtual bulletin board of the first individual is activated during the predetermined timeframe. During testing, current passes through a first TV from a first side of the substrate, to the conductive layer on a second side of the substrate, to a second TV, and back to the first side of the substrate through the second TV. In certain example instances, a substrate supports a layer made from a silica- and titania-containing precursor.