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