Mato Grosso do Sul is one of the states of Brazil, located in the southwestern part of the country, in the jungles of Pantanal[?]. Like Mato Grosso, from which is was separated in 1975, Mato Grosso do Sul depends mainly on cattle-raising.
... proposals.
Examples of existing "digital rights management" and "copy protection" systems:
Serial copy management system[?] (SCMS)
Macrovision
iTunes
Windows ...