{HEAD ~ The network} may comprise any number of participants, including consumers , retailers , {TAIL ~ manufacturers}, third party providers, and the like 
{ HEAD ~ The network } may comprise any number of participants , including consumers , retailers , { TAIL ~ manufacturers } , third party providers , and the like
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH