The user device(s) 706 (e.g., the user devices 106 of
In one illustrative configuration, the user device(s) 706 may include at least one memory 712 and one or more processing units (or processor(s) 714). The processor(s) 714 may be implemented as appropriate in hardware, computer-executable instructions, firmware, or combinations thereof. Computer-executable instruction or firmware implementations of the processor(s) 714 may include computer-executable or machine-executable instructions written in any suitable programming language to perform the various functions described.