A spinal implant adapted to be inserted into an interspinous space between adjacent spinous processes includes a proximal section, a central section, and a distal section disposed sequentially along a longitudinal axis. Included in the methods of the invention are methods of identifying the state of a pseudopodium in cell migration and methods of inducing extension or retraction of a pseudopodia from a cell. Each RX computer generates badge hit messages from each data message, and provides them to a centralized computer of the network. The switching circuitry is operative in the first mode to disable power to at least a portion of a first subset of functional modules in the CPE, to thereby reduce power consumption in the CPE.