Assertion: auction | /r/Desires | large numbers of bidders
Facets:
value: very
type: DEGREE
value: to be profitable
type: PURPOSE
value: typically
type: DEGREE
Source sentences:
text: Because such auctions typically require very large numbers of bidders to be profitable, virtually all instances of unique bid auctions are heavily dependent on the use of technology, in that they are either run solely using mobile technology (e.g. bidders submit their bids via reverse charge text messages) or they are on-line auction sites, or both.