Methods and systems for identifying products and product idea lists. Of particular interest are the enantiomers of opioid receptor binding compounds, which can reduce the frequency of the behaviors, while having no effects from binding at the opioid receptor. That is, the comparison may determine a difference between the current item list and the reference item list. Finally, said communication takes place for providing said services. The STA may determine an identity of the primary social channel by inspecting the list of social channels. A plug- in codification connection is arranged in the course of the wiring of the leads, the interior connection of which pre-sets which one of the two functions are driven by the operational control element.