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From the mid 1990s on, police departments across the country installed an increasing number of cameras in various public spaces including housing projects, schools and public parks departments. CCTV later became common in banks and stores to discourage theft, by recording evidence of criminal activity. In 1998, 3,000 CCTV systems were in use in New York City. The studies included in the meta analysis used quasi experimental evaluation designs that involve before and after measures of crime in experimental and control areas. However, several researchers have pointed to methodological problems associated with this research literature. First, researchers have argued that the British car park studies included in the meta analysis cannot accurately control for the fact that CCTV was introduced simultaneously with a range of other security related measures.

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This adds an additional degree of uncertainty to the attempted mischief. And if the potential perpetrators hate something, it is uncertainty. So they will think twice before attempting their act. by: Luciferrticle Source:and gizmos/article 3184. shtmlOf the thirteen Verizon Android phones the The HTC ThunderBolt is currently their premier phone. Other popular Verizon Androids are the Motorola's Droid 2 and the HTC Droid Incredible 2. However, these two phones don't sport the 4G connectivity, while the ThunderBolt does. From a physical point of view the ThunderBolt is fairly heavy 6. 4 ounces and large 4. 8 x 2. 6 x 0.

 

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Using your personal computer will not do the job. Even security specialists cannot guarantee its efficiency because computer based DVR is vulnerable to software crashes, system instability, virus related problems and software crashes. Stand Alone Security Camera SystemsThe control functions and appearance of this security camera system is similar with the standard VCR recorders. System crashes can be prevented because the video processing is done by the hardware and the video in digital format is also stored in the hardware. Linux is the usual operating system that is impossible to corrupt or overwrite. The reliability and performance is far better as compared to the PC based system.