Google Wallet, which is currently blocked by carriers like Verizon on subsidized Android phones.

From the manufacturing side to retail, Google is implanting its influence at every level of Android’s distribution without necessarily ruining its open platform mantra. As top OEM Samsung blatantly works on its own mobile OS, and Facebook builds a mobile presence through acquisitions and an integrated catalog of apps, Google recognizes that Android must be a tighter ecosystem under its reign in order to maintain leadership in the mobile sector. Ensuring that these emerging subsystems still plug into Android will keep Google on top, and diminish the growing threat of rivals.

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