diff --git a/topics/data.md b/topics/data.md
index d800f09..b6afdba 100644
--- a/topics/data.md
+++ b/topics/data.md
@@ -23,3 +23,5 @@ P2p applications have more variance around mutability.
 Ssb & Hypercore - Messages added to the append-only log are immutable. Applications can choose not to display messages indicated as deleted, but the data cannot be overwritten.
 
 IPFS - Once added to a network, content is discoverable by its hash. If a copy remains stored on the network, it is re-discoverable by this reference.
+
+Aether - "Stale" threads that have not been referenced for 6 months get dropped by the network. This design attempts to make posts more ephemeral in a p2p setting.