| http://www.w3.org/ns/prov#value | - The third option is prepaid-postpaid convergence,which involves the maintenance of a single system for all prepaid and postpaidsubscribers.9.2 Market OverviewWireless operators, particularly in Western Europe and Asia Pacific, have seen subscriberpenetration rates of between 70-80% in their markets and a stagnation or even declinein average revenue per user (ARPU).
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