Z:gnu-www-ja-digital-inclusion-in-freedom--0b2e2a-Most music distribution on the/en

Most music distribution on the Internet uses the patented MP3 format, and most video uses patented MPEG-4 formats such as DIVX and H.264. VC-1 is also patented.27 Any software patent directly attacks every user's freedom to use her computer. Use of patented data formats is comparable to mandating that people use officially approved scribes rather than do their own reading and writing. Patents on MPEG formats have been used to attack and threaten developers and distributors of programs that can handle these formats, including free/libre programs. Some distributors of the GNU/Linux system, for instance Red Hat, do not dare to include support for these programs.