<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1405-9193</journal-id>
<journal-title><![CDATA[Cuestiones constitucionales]]></journal-title>
<abbrev-journal-title><![CDATA[Cuest. Const.]]></abbrev-journal-title>
<issn>1405-9193</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Investigaciones Jurídicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-91932021000100035</article-id>
<article-id pub-id-type="doi">10.22201/iij.24484881e.2021.44.16157</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Internet, redes sociales y libertad de expresión]]></article-title>
<article-title xml:lang="en"><![CDATA[Internet, social media and freedom of expression]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Calcaneo Monts]]></surname>
<given-names><![CDATA[Mauricio Augusto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<numero>44</numero>
<fpage>35</fpage>
<lpage>54</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-91932021000100035&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-91932021000100035&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-91932021000100035&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El texto expone y explica las implicaciones que para la libertad de expresión tiene el surgimiento de la regulación proveniente de las empresas de redes sociales. Lo que adquiere relevancia ante la implosión del Internet y su concentración en algunas redes sociales, que en esa medida controlan la libertad de expresión en línea de sus millones de usuarios alrededor del mundo. La regulación de la libertad de expresión en el siglo XXI es un triángulo, donde los sujetos están sometidos a la normatividad estatal propia del siglo XX y a las reglas de las empresas de redes sociales. Es un cambio en los cimientos de la libertad de expresión, que requiere de una amplia reflexión sobre su significado, alcances y los ajustes jurídicos requeridos, donde cobra importancia la propuesta de aplicar el derecho internacional de los derechos humanos a la regulación empresarial de la libertad de expresión en Internet.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The text sets out and explain the implications for freedom of expression on the emergence of regulation from social media companies. What becomes relevant in the face of the implosion of Internet and its concentration on some social networks, which to that extent control the online freedom of expression of its millions of users around the world. The regulation of freedom of expression in the 21st century is a triangle, where the subjects are submitted to the state regulations and the rules of social media companies. It is a change in the foundations of freedom of expression that requires broad reflection on its meaning, scopes and required legal adjustments, where the proposal to apply international human rights law to the business regulation of freedom of expression on the Internet becomes important.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Internet]]></kwd>
<kwd lng="es"><![CDATA[libertad de expresión]]></kwd>
<kwd lng="es"><![CDATA[redes sociales]]></kwd>
<kwd lng="es"><![CDATA[regulación]]></kwd>
<kwd lng="es"><![CDATA[derechos humanos]]></kwd>
<kwd lng="en"><![CDATA[Internet]]></kwd>
<kwd lng="en"><![CDATA[Free Speech]]></kwd>
<kwd lng="en"><![CDATA[Social Media]]></kwd>
<kwd lng="en"><![CDATA[Regulation]]></kwd>
<kwd lng="en"><![CDATA[Human Rights]]></kwd>
</kwd-group>
</article-meta>
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