A solution is described which allows mobile devices to specify that certain sites are allowed to be logged into based on the device credentials alone. In the method, wireless access points of a wireless network in the system organize themselves such that each wireless access point knows the lowest number of forwardings required to send a user data request from a user to a wired backbone LAN of the system. Each element comprises a core mounted to the elongated support and a plurality of flexible, resilient wires extending distally from the core, the wires having proximal portions attached at one end to the core and distal portions. Each nonconfluent spacer layer includes voids therein that communicate with an exterior periphery of the layer to facilitate the lateral introduction of adhesive or encapsulant material into the layer and between the adjacent, stacked semiconductor devices. The device comprises highly porous adsorbent particles, and the adsorbent particles are immobilized by an inert matrix. An edge placement error for the target layout fragments is used to make positioning corrections for the corresponding reticle fragment.