{HEAD ~ The system} 1, wherein said information application is selectively accessible by users and said user defined marketplaces are selectively created by {TAIL ~ a subset} of the users 
{ HEAD ~ The system } 1 , wherein said information application is selectively accessible by users and said user defined marketplaces are selectively created by { TAIL ~ a subset } of the users
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH