<P> Freedom of expression is recognized as a human right under article 19 of the Universal Declaration of Human Rights and recognized in international human rights law in the International Covenant on Civil and Political Rights (ICCPR). Article 19 of the UDHR states that "everyone shall have the right to hold opinions without interference" and "everyone shall have the right to freedom of expression; this right shall include freedom to seek, receive and impart information and ideas of all kinds, regardless of frontiers, either orally, in writing or in print, in the form of art, or through any other media of his choice". The version of Article 19 in the ICCPR later amends this by stating that the exercise of these rights carries "special duties and responsibilities" and may "therefore be subject to certain restrictions" when necessary "(f) or respect of the rights or reputation of others" or "(f) or the protection of national security or of public order (order public), or of public health or morals". Therefore, freedom of speech and expression may not be recognized as being absolute, and common limitations to freedom of speech relate to libel, slander, obscenity, pornography, sedition, incitement, fighting words, classified information, copyright violation, trade secrets, food labeling, non-disclosure agreements, the right to privacy, the right to be forgotten, public security, and perjury . Justifications for such include the harm principle, proposed by John Stuart Mill in On Liberty, which suggests that: "the only purpose for which power can be rightfully exercised over any member of a civilized community, against his will, is to prevent harm to others ." The idea of the "offense principle" is also used in the justification of speech limitations, describing the restriction on forms of expression deemed offensive to society, considering factors such as extent, duration, motives of the speaker, and ease with which it could be avoided . With the evolution of the digital age, application of the freedom of speech becomes more controversial as new means of communication and restrictions arise, for example the Golden Shield Project, an initiative by Chinese government's Ministry of Public Security that filters potentially unfavorable data from foreign countries . </P> <P> The right to freedom of expression has been interpreted to include the right to take and publish photographs of strangers in public areas without their permission or knowledge . </P> <P> Freedom of speech and expression has a long history that predates modern international human rights instruments . It is thought that ancient Athens' democratic ideology of free speech may have emerged in the late 6th or early 5th century BC . The values of the Roman Republic included freedom of speech and freedom of religion . </P> <P> Concepts of freedom of speech can be found in early human rights documents . England's Bill of Rights 1689 legally established the constitutional right of' freedom of speech in Parliament' which is still in effect . The Declaration of the Rights of Man and of the Citizen, adopted during the French Revolution in 1789, specifically affirmed freedom of speech as an inalienable right . The Declaration provides for freedom of expression in Article 11, which states that: </P>

Where did the idea of free speech come from