README updated

README.md

@@ -9,3 +9,15 @@ outdated and I wanted to test it with something more modern.
 
 See the fixes here:
 https://github.com/garganscript/nanomsg-haskell/tree/segfault-fix
+
+## Usage
+
+To try bombing the Central Exchange with multiple threads, issue this:
+```shell
+cargo run --bin ce-notify -- --num-pings 200 --num-threads 50 --ping-delay 10
+```
+
+You can also run your own simple server with:
+```shell
+cargo run --bin ce-listener
+```