diff --git a/README.md b/README.md
index 2117154..ea234b8 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,27 @@
 # pubspace
 
 A service to facilitate collective digital publishing practices.
+
+## Mapping out the pubspace
+
+- **Services**:
+
+  - [cloud.lumbung.space](https://cloud.lumbung.space/) ([Nextcloud](https://nextcloud.com/))
+  - [tv.lumbung.space](https://tv.lumbung.space/) ([Peertube](https://joinpeertube.org/))
+  - [social.lumbung.space](https://social.lumbung.space/) ([Hometown](https://github.com/hometown-fork/hometown))
+  - [lumbung.space](https://lumbung.space/) ([Hugo](https://gohugo.io/))
+
+- **Types of shares**:
+
+  - **cloud.lumbung.space**: links to file paths
+  - **tv.lumbung.space**: links to videos
+  - **cloud.lumbung.space**: links to posts
+
+- **Incoming flows**:
+
+  - **cloud.lumbung.space**: [Nextcloud flows](https://nextcloud.com/blog/nextcloud-flow-makes-it-easy-to-automate-actions-and-workflows/)
+  - **tv.lumbung.space**: hashtag comments (`#pubspace`)
+  - **cloud.lumbung.space**: hashtag comments (`#pubspace`)
+
+- **Outgoing flows**:
+  - **lumbung.space**: HTTP request to trigger automated publish