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Cattle ranching in the Brazilian Amazon has been identified as the primary cause of deforestation,[5] accounting for about 80% of all deforestation in the region.[6][7] This makes it the world's largest single driver of deforestation, contributing to approximately 14% of the global annual deforestation.[8] Government tax revenue has subsidized much of the agricultural activity leading to deforestation.[9] By 1995, 70% of previously forested land in the Amazon and 91% of land deforested since 1970 had been converted for cattle ranching.[10] The remaining deforestation primarily results from small-scale subsistence agriculture[11] and mechanized cropland producing crops such as soy and palm.[12] In 2011, soy bean farming was estimated to account for around 15% of deforestation in the Amazon.[13]

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A controversy surrounding the AACS processing key arose in April 2007 when the Motion Picture Association of America and the Advanced Access Content System Licensing Administrator, LLC (AACS LA) began issuing cease and desist letters[7] to websites publishing a 128-bit (16-byte) number, represented in hexadecimal as 09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C0[8][9] (commonly referred to as 09 F9),[10][11] a cryptographic key for HD DVDs and Blu-ray Discs.