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Wireless Sensor Networks (WSNs) have undergone tremendous technological advances over the last few years, and a broad range of ubiquitous computing applications have been enabled in the area of distributed sensing and control areas. To fully achieve the potentials of WSNs, designing a reliable and secure routing mechanism becomes critical. The intent of this work is to incorporate theories of trust from social networks into sensor networks, and develop a Trust-Aware dynamic Routing Framework (TARF) in order to provide a reliable and trustworthy routing solution in the dynamic WSN environment. It is noted that the proposed TARF does not eliminate the utilization of any conventional cryptographic approaches, and it works as a complementary component to provide an advanced security solution to the imperfect WSN of today.