He also discusses techniques for establishing recurring revenues via maintenance and service fees, after the pool of potential new licensees dries up.

他还讨论了在潜在新许可耗尽后，通过维修和服务费用持续获得收益的技术。

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But he notes that they turn many potential licensees down.

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In contrast to other Android licensees faced with the potential of competing with preferential Motorola treatment (treatment Google denies will occur), Windows Phone licensees are competing with preferential Nokia treatment since only Nokia has the freedom to customize Windows Phone 7 as it sees fit.

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