diff --git a/README.rst b/README.rst
index 5fab1ce..b91fb8b 100644
--- a/README.rst
+++ b/README.rst
@@ -3,6 +3,10 @@ Overview
 
 Pythonbrew is anti-virtualenv. This isn't.
 
+Differences:
+
+- No `switch`. That's crazy.
+- Bottles (pre-compiled Pythons)
 
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