Please conduct thorough research and compose a comprehensive article discussing the current application of machine learning in optimizing transportation routes and enhancing delivery systems. Your piece should delve into the specific techniques and technologies utilized in this process, as well as the benefits and drawbacks associated with implementing these methods. Additionally, please provide concrete examples of innovative companies and organizations utilizing these technologies for increased efficiency and cost-effectiveness. Your writing style should be informative and accessible to a non-technical audience, using clear language and examples to illustrate complex concepts.
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