A system and method for providing a suitable web address to a user device. An exemplary method comprises the acts of generating at least one time series of at least one physiologic parameter, detecting the external stimulus, detecting at least one response associated with the stimulus, the response comprising at least one of a pattern and a value, and outputting an indication of the response. A cap includes a hex cross-section segment and a circular cylindrical cross-section segment. The intermediary unit includes a frame, a first connector and a second connector. A message-based load balancing decision is performed on the datagram to assign the datagram to a first server.