{"id":36090,"date":"2025-11-27T10:00:10","date_gmt":"2025-11-27T01:00:10","guid":{"rendered":"https:\/\/uxdaystokyo.com\/articles\/?post_type=glossary&#038;p=36090"},"modified":"2025-11-26T20:10:08","modified_gmt":"2025-11-26T11:10:08","slug":"echochamber","status":"publish","type":"glossary","link":"https:\/\/uxdaystokyo.com\/articles\/glossary\/echochamber\/","title":{"rendered":"\u30a8\u30b3\u30fc\u30c1\u30a7\u30f3\u30d0\u30fc"},"content":{"rendered":"<p>\u30a8\u30b3\u30fc\u30c1\u30a7\u30f3\u30d0\u30fc\u306f\u3001\u81ea\u5206\u3068\u4f3c\u305f\u610f\u898b\u3084\u601d\u60f3\u3092\u6301\u3064\u4eba\u3005\u304c\u96c6\u307e\u308b\u9589\u3058\u305f\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306e\u4e2d\u3067\u3001\u540c\u3058\u610f\u898b\u3084\u60c5\u5831\u304c\u3042\u305f\u304b\u3082\u53cd\u97ff\u5ba4\u306e\u3088\u3046\u306b\u7e70\u308a\u8fd4\u3057\u8fd4\u3063\u3066\u304f\u308b\u73fe\u8c61\u3067\u3042\u308b\u3002\u3053\u306e\u3088\u3046\u306a\u74b0\u5883\u3067\u306f\u3001\u540c\u8cea\u306e\u610f\u898b\u3092\u898b\u805e\u304d\u3057\u7d9a\u3051\u308b\u3053\u3068\u3067\u81ea\u5206\u306e\u4fe1\u5ff5\u304c\u5897\u5e45\u30fb\u5f37\u5316\u3055\u308c\u3001\u7570\u306a\u308b\u8996\u70b9\u3084\u53cd\u5bfe\u610f\u898b\u304c\u6392\u9664\u3055\u308c\u3084\u3059\u304f\u306a\u308b \u3002SNS\u3084\u96fb\u5b50\u63b2\u793a\u677f\u306a\u3069\u3001\u7279\u5b9a\u306e\u8208\u5473\u3084\u4fa1\u5024\u89b3\u3092\u6301\u3064\u30e6\u30fc\u30b6\u30fc\u304c\u96c6\u307e\u308a\u3084\u3059\u3044\u30b5\u30fc\u30d3\u30b9\u3067\u8d77\u3053\u308a\u3084\u3059\u304f\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u30d0\u30d6\u30eb\u3068\u7d44\u307f\u5408\u308f\u3055\u308b\u3068\u60c5\u5831\u306e\u504f\u308a\u304c\u3055\u3089\u306b\u52a0\u901f\u3059\u308b \u3002<\/p>\n<h2>\u30a8\u30b3\u30fc\u30c1\u30a7\u30f3\u30d0\u30fc \u306e\u4ed5\u7d44\u307f<\/h2>\n<p>\u30a8\u30b3\u30fc\u30c1\u30a7\u30f3\u30d0\u30fc\u306f\u6b21\u306e\u3088\u3046\u306a\u8981\u7d20\u306b\u3088\u3063\u3066\u5f62\u6210\u3055\u308c\u308b\u3002<\/p>\n<ul>\n<li><strong>\u9078\u629e\u7684\u9732\u51fa<\/strong>\uff1a\u4eba\u9593\u306f\u81ea\u5206\u306e\u4fe1\u5ff5\u3084\u8208\u5473\u306b\u4e00\u81f4\u3057\u305f\u60c5\u5831\u6e90\u3092\u512a\u5148\u7684\u306b\u9078\u3076\u50be\u5411\u304c\u3042\u308b\u3002SNS\u4e0a\u3067\u306f\u3001\u4f3c\u305f\u8003\u3048\u3092\u6301\u3064\u30e6\u30fc\u30b6\u30fc\u3092\u30d5\u30a9\u30ed\u30fc\u3057\u305f\u308a\u3001\u8cdb\u540c\u3057\u3066\u304f\u308c\u308b\u4eba\u3068\u3064\u306a\u304c\u308b\u3053\u3068\u3067\u3001\u540c\u8cea\u306e\u60c5\u5831\u3070\u304b\u308a\u306b\u89e6\u308c\u308b\u3088\u3046\u306b\u306a\u308b \u3002<\/li>\n<li><strong>\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u5f71\u97ff<\/strong>\uff1aSNS\u3084\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u306e\u63a8\u85a6\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u904e\u53bb\u306e\u95b2\u89a7\u5c65\u6b74\u3084\u884c\u52d5\u3092\u5206\u6790\u3057\u3001\u597d\u307f\u306b\u5408\u3063\u305f\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u81ea\u52d5\u7684\u306b\u8868\u793a\u3059\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u7121\u610f\u8b58\u306e\u3046\u3061\u306b\u540c\u3058\u60c5\u5831\u304c\u7e70\u308a\u8fd4\u3057\u63d0\u793a\u3055\u308c\u3001\u7570\u306a\u308b\u610f\u898b\u304c\u8996\u754c\u304b\u3089\u5916\u308c\u3066\u3057\u307e\u3046 \u3002<\/li>\n<li><strong>\u793e\u4f1a\u7684\u5f37\u5316<\/strong>\uff1a\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u5185\u3067\u540c\u610f\u3084\u652f\u6301\u306e\u53cd\u5fdc\u304c\u7e70\u308a\u8fd4\u3055\u308c\u308b\u3068\u3001\u81ea\u5206\u306e\u610f\u898b\u304c\u6b63\u3057\u3044\u3068\u4fe1\u3058\u8fbc\u3080\u3088\u3046\u306b\u306a\u308b\u3002\u53cd\u5bfe\u610f\u898b\u306f\u7121\u8996\u3055\u308c\u305f\u308a\u653b\u6483\u3055\u308c\u308b\u305f\u3081\u3001\u591a\u69d8\u306a\u8996\u70b9\u304c\u5165\u308b\u4f59\u5730\u304c\u5c11\u306a\u304f\u306a\u308b \u3002<\/li>\n<\/ul>\n<div id=\"attachment_36169\" style=\"width: 1034px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-36169\" src=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2025\/10\/echo-chamber-1024x769.png\" alt=\"\u30a8\u30b3\u30c1\u30a7\u30f3\u30d0\u30fc\u306e\u4ed5\u7d44\u307f\" width=\"1024\" height=\"769\" class=\"size-large wp-image-36169\" srcset=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2025\/10\/echo-chamber-1024x769.png 1024w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2025\/10\/echo-chamber-300x225.png 300w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2025\/10\/echo-chamber-768x577.png 768w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2025\/10\/echo-chamber.png 1244w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><p id=\"caption-attachment-36169\" class=\"wp-caption-text\">\u30a8\u30b3\u30c1\u30a7\u30f3\u30d0\u30fc\u306e\u4ed5\u7d44\u307f<\/p><\/div>\n<h2>\u7279\u5fb4<\/h2>\n<p>\u30a8\u30b3\u30fc\u30c1\u30a7\u30f3\u30d0\u30fc\u306b\u306f\u6b21\u306e\u3088\u3046\u306a\u7279\u5fb4\u304c\u3042\u308b\u3002<\/p>\n<ul>\n<li>\u7279\u5b9a\u306e\u610f\u898b\u3084\u4fa1\u5024\u89b3\u304c\u7e70\u308a\u8fd4\u3057\u5f37\u5316\u3055\u308c\u308b\u305f\u3081\u3001\u5229\u7528\u8005\u304c\u81ea\u5206\u306e\u8003\u3048\u3092\u7d76\u5bfe\u7684\u306a\u3082\u306e\u3068\u3057\u3066\u6349\u3048\u3084\u3059\u304f\u306a\u308b\u3002<\/li>\n<li>\u7570\u306a\u308b\u610f\u898b\u3092\u6301\u3064\u4eba\u3005\u3068\u306e\u5bfe\u8a71\u304c\u6e1b\u5c11\u3057\u3001\u65ad\u7d76\u3084\u6975\u7aef\u306a\u5206\u6975\u5316\u3092\u751f\u307f\u3084\u3059\u3044 \u3002<\/li>\n<li>\u30d5\u30a7\u30a4\u30af\u30cb\u30e5\u30fc\u30b9\u3084\u8aa4\u60c5\u5831\u304c\u6b63\u3057\u3044\u60c5\u5831\u3068\u3057\u3066\u8a8d\u8b58\u3055\u308c\u3084\u3059\u304f\u306a\u308b\u305f\u3081\u3001\u793e\u4f1a\u7684\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u53ca\u307c\u3059\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/li>\n<\/ul>\n<h2>\u63d0\u5531\u30fb\u767a\u5c55\u306e\u6b74\u53f2<\/h2>\n<p>\u300c\u30a8\u30b3\u30fc\u30fb\u30c1\u30a7\u30f3\u30d0\u30fc\u300d\u3068\u3044\u3046\u6bd4\u55a9\u306f\u3082\u3068\u3082\u3068\u97f3\u97ff\u52b9\u679c\u3092\u751f\u307f\u51fa\u3059\u6b8b\u97ff\u5ba4\u3092\u6307\u3059\u8a00\u8449\u3067\u3042\u3063\u305f\u304c\u3001\u30e1\u30c7\u30a3\u30a2\u7814\u7a76\u5206\u91ce\u3067\u9589\u3058\u305f\u60c5\u5831\u7a7a\u9593\u3092\u8aac\u660e\u3059\u308b\u7528\u8a9e\u3068\u3057\u3066\u8ee2\u7528\u3055\u308c\u305f \u30021990\u5e74\u306b\u7c73\u56fd\u306e\u30b8\u30e3\u30fc\u30ca\u30ea\u30b9\u30c8\u3067\u3042\u308b<ruby><rb>David Shaw<\/rb><rt>\u30c7\u30d3\u30c3\u30c9\u30fb\u30b7\u30e7\u30fc<\/rt><\/ruby>\u6c0f\u304c\u5831\u9053\u6279\u8a55\u306e\u4e2d\u3067\u3053\u306e\u8868\u73fe\u3092\u7528\u3044\u305f\u3053\u3068\u304c\u6982\u5ff5\u306e\u8d77\u6e90\u3068\u3057\u3066\u77e5\u3089\u308c\u3066\u3044\u308b \u3002\u305d\u306e\u5f8c\u30012001\u5e74\u306b\u30cf\u30fc\u30d0\u30fc\u30c9\u5927\u5b66\u306e\u6cd5\u5b66\u8005<ruby><rb>Cass R. Sunstein<\/rb><rt>\u30ad\u30e3\u30b9\u30fb\u30b5\u30f3\u30b9\u30c6\u30a3\u30fc\u30f3<\/rt><\/ruby>\u6c0f\u304c\u8457\u66f8\u300e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306f\u6c11\u4e3b\u4e3b\u7fa9\u306e\u6575\u304b\u300f\u3067\u3053\u306e\u73fe\u8c61\u306b\u6ce8\u76ee\u3057\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u304a\u3051\u308b\u96c6\u56e3\u6975\u6027\u5316\u306e\u554f\u984c\u3068\u3057\u3066\u7406\u8ad6\u7684\u306b\u6574\u7406\u3057\u305f \u3002\u5358\u4e00\u306e\u63d0\u5531\u8005\u304c\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u304f\u3001SNS\u306e\u666e\u53ca\u3068\u3068\u3082\u306b\u3055\u307e\u3056\u307e\u306a\u7814\u7a76\u8005\u306b\u3088\u3063\u3066\u8b70\u8ad6\u304c\u6df1\u3081\u3089\u308c\u3066\u3044\u308b\u3002<\/p>\n<div id=\"attachment_36505\" style=\"width: 1034px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-36505\" src=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2025\/11\/echochamber-casssustein-1024x875.jpg\" alt=\"\" width=\"1024\" height=\"875\" class=\"wp-image-36505 size-large\" srcset=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2025\/11\/echochamber-casssustein-1024x875.jpg 1024w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2025\/11\/echochamber-casssustein-300x256.jpg 300w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2025\/11\/echochamber-casssustein-768x656.jpg 768w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2025\/11\/echochamber-casssustein.jpg 1264w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><p id=\"caption-attachment-36505\" class=\"wp-caption-text\">\u30ad\u30e3\u30b9\u30fb\u30b5\u30f3\u30b9\u30c6\u30a3\u30fc\u30f3\u6c0f<br \/><a href=\"https:\/\/ja.wikipedia.org\/wiki\/%E3%82%AD%E3%83%A3%E3%82%B9%E3%83%BB%E3%82%B5%E3%83%B3%E3%82%B9%E3%83%86%E3%82%A3%E3%83%BC%E3%83%B3\" target=\"_blank\" rel=\"noopener\">Wikipedia\u3088\u308a\u5f15\u7528<\/a><\/p><\/div>\n<h2>\u30c7\u30b6\u30a4\u30f3\u4e0a\u3067\u306e\u5229\u7528\u65b9\u6cd5<\/h2>\n<p>UX\u30c7\u30b6\u30a4\u30ca\u30fc\u3084\u30d7\u30ed\u30c0\u30af\u30c8\u30c7\u30b6\u30a4\u30ca\u30fc\u306b\u3068\u3063\u3066\u3001\u30a8\u30b3\u30fc\u30c1\u30a7\u30f3\u30d0\u30fc\u306f\u907f\u3051\u308b\u3079\u304d\u843d\u3068\u3057\u7a74\u3067\u3042\u308b\u3068\u540c\u6642\u306b\u3001\u610f\u56f3\u7684\u306b\u6d3b\u7528\u3067\u304d\u308b\u6982\u5ff5\u3067\u3082\u3042\u308b\u3002\u9589\u9396\u7684\u306a\u60c5\u5831\u74b0\u5883\u3092\u4f5c\u3089\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30c7\u30b6\u30a4\u30f3\u914d\u616e\u304c\u6709\u52b9\u3067\u3042\u308b\u3002<\/p>\n<ul>\n<li><strong>\u591a\u69d8\u306a\u8996\u70b9\u3092\u63d0\u793a\u3059\u308bUI\u306e\u8a2d\u8a08<\/strong>\uff1a\u30ec\u30b3\u30e1\u30f3\u30c9\u6a5f\u80fd\u3084\u30cb\u30e5\u30fc\u30b9\u30d5\u30a3\u30fc\u30c9\u306b\u7570\u306a\u308b\u7acb\u5834\u306e\u8a18\u4e8b\u3084\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u610f\u56f3\u7684\u306b\u633f\u5165\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u4ed6\u306e\u610f\u898b\u306b\u89e6\u308c\u308b\u6a5f\u4f1a\u3092\u5897\u3084\u3059\u3002<\/li>\n<li><strong>\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u8a2d\u5b9a\u306e\u900f\u660e\u5316<\/strong>\uff1a\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304c\u3069\u306e\u3088\u3046\u306b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u9078\u3093\u3067\u3044\u308b\u304b\u3092\u30e6\u30fc\u30b6\u30fc\u306b\u660e\u793a\u3057\u3001\u8a2d\u5b9a\u3092\u8abf\u6574\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u81ea\u5206\u306e\u60c5\u5831\u74b0\u5883\u3092\u4e3b\u4f53\u7684\u306b\u7ba1\u7406\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3002<\/li>\n<li><strong>\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u8a2d\u8a08\u306b\u304a\u3051\u308b\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3<\/strong>\uff1a\u30d5\u30a9\u30fc\u30e9\u30e0\u3084\u30b3\u30e1\u30f3\u30c8\u6b04\u306b\u304a\u3044\u3066\u7570\u306a\u308b\u610f\u898b\u306e\u5c0a\u91cd\u3092\u4fc3\u3059\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3084\u30e2\u30c7\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u8a2d\u5b9a\u3057\u3001\u653b\u6483\u7684\u306a\u767a\u8a00\u3084\u904e\u6fc0\u306a\u610f\u898b\u304c\u5897\u5e45\u3059\u308b\u306e\u3092\u9632\u3050\u3002<\/li>\n<li><strong>\u30e6\u30fc\u30b6\u30fc\u30ea\u30b5\u30fc\u30c1\u306e\u504f\u308a\u3092\u9632\u3050<\/strong>\uff1a\u30e6\u30fc\u30b6\u30fc\u30c6\u30b9\u30c8\u3084\u30a2\u30f3\u30b1\u30fc\u30c8\u306e\u53c2\u52a0\u8005\u304c\u7279\u5b9a\u306e\u5c5e\u6027\u306b\u504f\u3089\u306a\u3044\u3088\u3046\u306b\u30ea\u30af\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3057\u3001\u591a\u69d8\u306a\u610f\u898b\u3092\u88fd\u54c1\u6539\u5584\u306b\u53cd\u6620\u3055\u305b\u308b\u3002<\/li>\n<\/ul>\n<h2>\u300c\u3053\u306e\u5834\u9762\u306b\u4f7f\u3048\u308b\u300d\u30b7\u30fc\u30f3\u3068\u5177\u4f53\u4f8b<\/h2>\n<p>\u30a8\u30b3\u30fc\u30c1\u30a7\u30f3\u30d0\u30fc\u306e\u6982\u5ff5\u306f\u3001\u30d7\u30ed\u30c0\u30af\u30c8\u3084\u30b3\u30f3\u30c6\u30f3\u30c4\u30c7\u30b6\u30a4\u30f3\u306e\u3055\u307e\u3056\u307e\u306a\u5834\u9762\u3067\u6d3b\u7528\u3067\u304d\u308b\u3002\u4f8b\u3048\u3070\u6b21\u306e\u3088\u3046\u306a\u30b7\u30fc\u30f3\u3067\u5f79\u7acb\u3064\u3002<\/p>\n<ul>\n<li><strong>\u30bd\u30fc\u30b7\u30e3\u30eb\u30cb\u30e5\u30fc\u30b9\u30a2\u30d7\u30ea\u306e\u30d5\u30a3\u30fc\u30c9\u8a2d\u8a08<\/strong>\uff1a\u30e6\u30fc\u30b6\u30fc\u304c\u81ea\u5206\u3068\u7570\u306a\u308b\u8996\u70b9\u306e\u8a18\u4e8b\u306b\u51fa\u4f1a\u3048\u308b\u3088\u3046\u3001\u30d5\u30a3\u30fc\u30c9\u306b\u300c\u4ed6\u8005\u306e\u8996\u70b9\u300d\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u8a2d\u3051\u308b\u3002\u4f8b\u3048\u3070\u74b0\u5883\u554f\u984c\u306e\u8a18\u4e8b\u3092\u8aad\u3093\u3067\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u306b\u3001\u5225\u306e\u7acb\u5834\u304b\u3089\u306e\u610f\u898b\u3084\u6839\u62e0\u3092\u63d0\u793a\u3059\u308b\u3053\u3068\u3067\u3001\u30d0\u30e9\u30f3\u30b9\u306e\u53d6\u308c\u305f\u60c5\u5831\u6442\u53d6\u3092\u4fc3\u3059\u3002<\/li>\n<li><strong>E\u30b3\u30de\u30fc\u30b9\u306e\u30ec\u30b3\u30e1\u30f3\u30c9\u6a5f\u80fd<\/strong>\uff1a\u904e\u53bb\u306e\u8cfc\u8cb7\u5c65\u6b74\u306b\u57fa\u3065\u304f\u304a\u3059\u3059\u3081\u3060\u3051\u3067\u306a\u304f\u3001\u7570\u306a\u308b\u30b8\u30e3\u30f3\u30eb\u306e\u5546\u54c1\u3092\u63d0\u6848\u3059\u308b\u30ab\u30fc\u30c9\u3092\u7528\u610f\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u8208\u5473\u306e\u5e45\u3092\u5e83\u3052\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u3088\u308b\u30d0\u30d6\u30eb\u3092\u8efd\u6e1b\u3057\u3001\u65b0\u305f\u306a\u30cb\u30fc\u30ba\u306e\u767a\u898b\u3092\u52a9\u3051\u308b\u3002<\/li>\n<li><strong>\u4f01\u696d\u5185\u30ca\u30ec\u30c3\u30b8\u30b7\u30a7\u30a2\u30ea\u30f3\u30b0\u30c4\u30fc\u30eb<\/strong>\uff1a\u793e\u5185SNS\u3084\u30ca\u30ec\u30c3\u30b8\u30d9\u30fc\u30b9\u3067\u90e8\u7f72\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class=\"wp-embedded-content\" data-secret=\"TdnhtnzIHE\"><p><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/serendipity\/\">\u30bb\u30ec\u30f3\u30c7\u30a3\u30d4\u30c6\u30a3<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;\u30bb\u30ec\u30f3\u30c7\u30a3\u30d4\u30c6\u30a3&#8221; &#8212; UX TIMES\" src=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/serendipity\/embed\/#?secret=l1vWixzclw#?secret=TdnhtnzIHE\" data-secret=\"TdnhtnzIHE\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<h2>\u53c2\u8003\u30ea\u30f3\u30af<\/h2>\n<ul>\n<li><a href=\"https:\/\/ideasforgood.jp\/glossary\/echo-chamber\/\" target=\"_blank\" rel=\"noopener\">\u30a2\u30a4\u30c7\u30a2\u30ba\u30fb\u30d5\u30a9\u30fc\u30fb\u30b0\u30c3\u30c9 \u2013 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