The present invention relates to the field of {HEAD ~ data processing systems} having {TAIL ~ an audio user interface} and is applicable to electronic commerce 
having
The present invention relates to the field of { HEAD ~ data processing systems } having { TAIL ~ an audio user interface } and is applicable to electronic commerce
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH