README: add note about streaming and ws_stream_tungstenite

README.md

@@ -48,6 +48,17 @@ integration with various other crates can be enabled via feature flags
  * `gio-runtime`: Enables the `gio` module, which provides integration with
    the [gio](https://gtk-rs.org) runtime.
 
+## Messages vs Streaming
+
+WebSocket provides a message-oriented protocol, and this crate supports sending
+and receiving data in messages; protocols built on WebSocket are allowed to
+make message boundaries semantically significant. However, some users of
+WebSocket may want to treat the socket as a continuous stream of bytes. If you
+know the sending end does not place significance on message boundaries, and you
+want to process a stream of bytes without regard to those boundaries, try
+[`ws_stream_tungstenite`](https://crates.io/crates/ws_stream_tungstenite),
+which builds upon this crate.
+
 ## tokio-tungstenite
 
 Originally this crate was created as a fork of