1. [1] Additional Protocol to the Convention on Cybercrime, concerning the criminalisation of acts of a racist and xenophobic nature committed through computer systems. (2003, January). Retrieved from https://rm.coe.int/168008160f.
2. [2] Brannon, V.C. (2019). Free speech and the regulation of social media content. Retrieved from https://crsreports.congress.gov/product/pdf/R/R45650/2.
3. [3] Cabinet Secretariat. (n.d.). Overview of the Act on the Protection of Specially Designated Secrets (SDS). Retrieved from https://www.cas.go.jp/jp/tokuteihimitsu/gaiyou_en.pdf.
4. [4] Charter of Fundamental Rights of the European Union. (2000, December). Retrieved from https://www.europarl.europa.eu/charter/pdf/text_en.pdf.
5. [5] Constitution of Japan. (1946, November). Retrieved from https://japan.kantei.go.jp/constitution_ and_government_of_japan/constitution_e.html.