diff --git a/cmd/kexpand/README.md b/cmd/kexpand/README.md
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+++ b/cmd/kexpand/README.md
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+# kexpand
+
+_TODO: flesh out this placeholder documentation_
+ 
+`kexpand` is a kubernetes cluster configuration utility,
+a prototype of ideas discussed in [this doc][DAM].
+
+It accepts one or more file system path arguments,
+reads the content thereof, and emits kubernetes
+[resource] yaml to stdout, suitable for piping 
+into [kubectl] for [declarative] application to a
+kubernetes cluster.
+
+For example, if your current working directory contained
+> ```
+> mycluster/
+>   Kube-Manifest.yaml
+>   deployment.yaml
+>   service.yaml
+>   instances/
+>     testing/
+>       Kube-Manifest.yaml
+>       deployment.yaml
+>     prod/
+>       Kube-Manifest.yaml
+>       deployment.yaml
+>  ...
+> ```
+
+then the command 
+```
+kexpand ./mycluster/instances | kubectl apply -f -
+```
+would modify your cluster per the resources
+generated from the manifests and associated
+resource files found in `mycluster`.
+
+[resource]: https://kubernetes.io/docs/api-reference/v1.7/
+[DAM]: https://goo.gl/T66ZcD
+[yaml]: http://www.yaml.org/start.html
+[kubectl]: https://kubernetes.io/docs/user-guide/kubectl-overview/
+[declarative]: https://kubernetes.io/docs/tutorials/object-management-kubectl/declarative-object-management-configuration/
diff --git a/cmd/kexpand/main.go b/cmd/kexpand/main.go
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+++ b/cmd/kexpand/main.go
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+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package main
+
+import (
+	"fmt"
+)
+
+func main() {
+	fmt.Println("Hello world.")
+}