Multiple System Operator, a company that operates multiple cable television systems, or Master Service Order in business contexts.
As an acronym, MSO developed in the telecommunications industry in the 1970s-80s as cable television expanded. Multiple System Operators emerged as companies began acquiring and managing multiple local cable franchises, creating larger regional or national networks.
MSOs transformed television from a local utility into a national industry - these companies realized that operating multiple cable systems created economies of scale and negotiating power with content providers. The acronym represents the shift from mom-and-pop local cable operators to corporate media giants that now control much of America's information infrastructure.
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