wherein {HEAD ~ the client device} and {TAIL ~ the application} operate agnostic to existence of the application extender 
wherein { HEAD ~ the client device } and { TAIL ~ the application } operate agnostic to existence of the application extender
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH