diff --git a/README.md b/README.md
new file mode 100644
index 0000000..23ccafc
--- /dev/null
+++ b/README.md
@@ -0,0 +1,12 @@
+Codex Research
+===============
+
+Contains research for the Codex peer-to-peer storage network. Top-level structure:
+
+* [analysis](analysis) - simulations, notebooks, etc;
+* [design](design) - design proposals for Codex mechanisms and subsystems (e.g. marketplace mechanics, storage formats/protocols);
+* [evaluations](evaluations) - critical evaluations of existing systems;
+* [papers](papers) - summaries and/or evaluations for relevant academic papers;
+* [meetings](meetings) - agendas for upcoming meetings.
+
+
diff --git a/Readme.md b/Readme.md
deleted file mode 100644
index 57214db..0000000
--- a/Readme.md
+++ /dev/null
@@ -1,4 +0,0 @@
-Codex Research
-===============
-
-Contains research for the Codex peer-to-peer storage network.