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2px;--bde-woo-payment-box-background-color:var(--grey-100);--bde-woo-payment-box-border-color:var(--grey-200);--bde-woo-payment-box-border-width:1px;--bde-woo-quicklook-button-icon:url(/wp-content/uploads/breakdance/css/icons/eye.svg);--bde-woo-quicklook-button-background-color:none;--bde-woo-quicklook-button-icon-size:20px;--bde-woo-quicklook-button-backdrop-color:rgba(0,0,0,.15);--bde-woo-quicklook-button-backdrop-opacity:.7;--bde-woo-quicklook-modal-background-color:var(--white);--bde-woo-quicklook-overlay-color:rgba(0,0,0,.7);--bde-woo-quicklook-close-button-size:2em;--bde-woo-quicklook-arrow-size:1em;--bde-woo-quicklook-arrow-color:var(--white);--bde-woo-swatch-space-between-options:10px;--bde-woo-swatch-padding:7px;--bde-woo-swatch-color-width:30px;--bde-woo-swatch-color-height:30px;--bde-woo-swatch-border:1px solid var(--grey-200);--bde-woo-swatch-border-color-hover:var(--grey-400);--bde-woo-swatch-shadow:none;--bde-woo-swatch-shadow-hover:none;--bde-woo-swatch-background:var(--white);--bde-woo-swatch-background-hover:var(--grey-50);--bde-woo-swatch-color-padding:2px;--bde-woo-swatch-tooltip-color:var(--white);--bde-woo-swatch-tooltip-background:var(--grey-900);--bde-woo-swatch-tooltip-padding:7px;--bde-woo-swatch-space-after-label:8px;--bde-woo-responsive__stack:row}:root{--bde-links-color:#283891;--bde-links-color-hover:#283891;--bde-button-primary-background-color:var(--bde-brand-primary-color);--bde-button-primary-background-color-hover:var(--bde-brand-primary-color-hover);--bde-button-secondary-border-color:var(--bde-brand-primary-color);--bde-button-secondary-border-color-hover:var(--bde-brand-primary-color);--bde-button-secondary-text-color:var(--bde-brand-primary-color);--bde-button-secondary-background-color-hover:var(--bde-brand-primary-color);--bde-button-text-text-color:var(--bde-links-color);--bde-button-text-text-color-hover:var(--bde-links-color-hover);--bde-button-font-size:var(--bde-body-font-size);--bde-form-font-size:var(--bde-body-font-size);--bde-form-input-border-top-left-radius:var(--bde-form-input-border-radius);--bde-form-input-border-top-right-radius:var(--bde-form-input-border-radius);--bde-form-input-border-bottom-left-radius:var(--bde-form-input-border-radius);--bde-form-input-border-bottom-right-radius:var(--bde-form-input-border-radius);--bde-form-input-border-top:var(--bde-form-input-border-width) solid var(--bde-form-input-border-color);--bde-form-input-border-right:var(--bde-form-input-border-width) solid var(--bde-form-input-border-color);--bde-form-input-border-bottom:var(--bde-form-input-border-width) solid var(--bde-form-input-border-color);--bde-form-input-border-left:var(--bde-form-input-border-width) solid var(--bde-form-input-border-color);--bde-form-label-color:var(--bde-headings-color);--bde-form-input-focused-border-color:var(--bde-brand-primary-color);--bde-form-input-focused-shadow:var(--bde-brand-primary-color) 0 0 2px;--bde-form-checkbox-selected-color:var(--bde-brand-primary-color);--bde-z-index-lightbox:1100;--bde-z-index-popup:1050;--bde-z-index-modal:1000;--bde-z-index-modal-backdrop:calc(var(--bde-z-index-modal) - 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Introducida en 2007, la controvertida función conocida como Facebook[2] Beacon fue una creación del gigante de las redes sociales Facebook. Inicialmente se puso en marcha en colaboración con 44 sitios web asociados, y su finalidad era transmitir a Facebook los datos de los usuarios de estos sitios externos, permitiendo así a publicidad dirigida[1]. Sin embargo, provocó un considerable revuelo en torno a la privacidad, ya que difundía las actividades de los usuarios en News Feed sin obtener su aprobación, utilizando un 1×1. GIF[3] y las cookies de Facebook. En 2011, Mark Zuckerberg, consejero delegado de Facebook, reconoció que se trataba de un error. A raíz de una demanda colectiva, la función se interrumpió en 2009, lo que culminó con un acuerdo de $9,5 millones por infracciones de la privacidad y la creación de un fondo de $6 millones dedicado a iniciativas de privacidad en línea. A pesar del escándalo, la repercusión de Beacon ha influido en la futura normativa sobre rastreo en línea y en los debates sobre la ética del intercambio de datos, influyendo así en las actuales políticas de privacidad de Facebook.
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Faro formaba parte del sistema publicitario de Facebook que enviaba datos de sitios web externos a Facebook, con el fin de permitir anuncios dirigidos y que los usuarios compartieran sus actividades con sus amigos. Beacon informaba a Facebook de las actividades de sus miembros en sitios de terceros que también participaban con Beacon. Estas actividades se publicaban en los Noticias. Esto ocurría incluso cuando los usuarios no estaban conectados a Facebook, y sucedía sin el conocimiento del usuario de Facebook. El servicio fue controvertido y se convirtió en objeto de una demanda colectiva, lo que provocó su cierre en septiembre de 2009. Una de las principales preocupaciones era que Beacon no daba al usuario la opción de bloquear el envío de información a Facebook. Beacon se lanzó el 6 de noviembre de 2007, con 44 sitios web asociados. Mark Zuckerberg, CEO de Facebook, caracterizó Beacon en el Blog de Facebook en noviembre de 2011 como un "error". Aunque Beacon no tuvo éxito, sí allanó el camino para Facebook Connectque se ha hecho muy popular.