{"version":"1.0","provider_name":"Etnoesfera","provider_url":"https:\/\/www.etnoesfera.es","author_name":"Luisv","author_url":"https:\/\/www.etnoesfera.es\/author\/luisv\/","title":"Tarjeta postal - Etnoesfera","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"KO2pGwj8Ah\"><a href=\"https:\/\/www.etnoesfera.es\/biblioesfera\/tarjeta-postal\/\">Tarjeta postal<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.etnoesfera.es\/biblioesfera\/tarjeta-postal\/embed\/#?secret=KO2pGwj8Ah\" width=\"600\" height=\"338\" title=\"\u00abTarjeta postal\u00bb \u2014 Etnoesfera\" data-secret=\"KO2pGwj8Ah\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.etnoesfera.es\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/www.etnoesfera.es\/wp-content\/uploads\/2024\/05\/postales-banner1.jpg","thumbnail_width":1800,"thumbnail_height":1100,"description":"Fue en 1869 cuando se tiene constancia de la aparici\u00f3n de la tarjeta postal como medio de comunicaci\u00f3n escrito con el objetivo de abaratar los costes en el servicio de correos. As\u00ed, fue la administraci\u00f3n de correos de Austria la pionera en el uso de las tarjetas postales. A partir de ese momento se convirti\u00f3 [&hellip;]"}