diff --git a/public/arf.json b/public/arf.json
index 758040f..a9cf435 100644
--- a/public/arf.json
+++ b/public/arf.json
@@ -164,11 +164,6 @@
       }
     ]
   },
-  {
-    "name": "Enshittification",
-    "type": "folder",
-    "children": []
-  },
   {
     "name": "Computing Art",
     "type": "folder",
@@ -204,6 +199,75 @@
         "children": []
       }
     ]
+  },
+  {
+    "name": "Hosting",
+    "type": "folder",
+    "children": [
+      {
+        "name": "Centralized",
+        "type": "folder",
+        "children": []
+      },
+      {
+        "name": "Self-Hosting",
+        "type": "folder",
+        "children": []
+      },
+      {
+        "name": "Federation",
+        "type": "folder",
+        "children": []
+      }
+    ]
+  },
+  {
+    "name": "Happening Phenomena",
+    "type": "folder",
+    "children": [
+      {
+        "name": "Enshittification",
+        "type": "folder",
+        "children": [
+          {
+            "name": "A secret web",
+            "type": "url",
+            "url": "https://blog.clew.se/posts/secret-web/"
+          }
+        ]
+      },
+      {
+        "name": "Platformization & walled gardens",
+        "type": "folder",
+        "children": []
+      },
+      {
+        "name": "Datafication",
+        "type": "folder",
+        "children": []
+      },
+      {
+        "name": "Subscriptionification & rent-seeking",
+        "type": "folder",
+        "children": []
+      },
+      {
+        "name": "AI-ification & automation creep",
+        "type": "folder",
+        "children": [
+          {
+            "name": "Noise HIP",
+            "type": "url",
+            "url": "https://noise.hackinpovo.it"
+          }
+        ]
+      },
+      {
+        "name": "Dark patterns & manipulation design",
+        "type": "folder",
+        "children": []
+      }
+    ]
   }]
 }