diff --git a/example-gpt-3/golang-question.sh b/example-gpt-3/golang-question.sh
new file mode 100755
index 0000000..3c373ed
--- /dev/null
+++ b/example-gpt-3/golang-question.sh
@@ -0,0 +1,16 @@
+#!/bin/bash -x
+
+OPENAI_API_KEY=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
+
+curl https://api.openai.com/v1/completions \
+  -H "Content-Type: application/json" \
+  -H "Authorization: Bearer $OPENAI_API_KEY" \
+  -d '{
+  "model": "text-davinci-003",
+  "prompt": "In GO, how would I list the available network interfaces?",
+  "temperature": 0.7,
+  "max_tokens": 640,
+  "top_p": 1.0,
+  "frequency_penalty": 0.0,
+  "presence_penalty": 0.0
+}'
diff --git a/example-pprof-simple/Makefile b/example-pprof-simple/Makefile
new file mode 100644
index 0000000..fa67bcf
--- /dev/null
+++ b/example-pprof-simple/Makefile
@@ -0,0 +1,9 @@
+run:
+	GO111MODULE="off" go run -v -x main.go
+
+prep:
+	GO111MODULE="off" go get -v .
+
+build:
+	GO111MODULE="off" go build -v -x
+	# go build
diff --git a/example-pprof-simple/main.go b/example-pprof-simple/main.go
new file mode 100644
index 0000000..732126b
--- /dev/null
+++ b/example-pprof-simple/main.go
@@ -0,0 +1,25 @@
+package main
+
+import (
+	"context"
+	"fmt"
+)
+
+func main() {
+	type favContextKey string
+
+	f := func(ctx context.Context, k favContextKey) {
+		if v := ctx.Value(k); v != nil {
+			fmt.Println("found value:", v)
+			return
+		}
+		fmt.Println("key not found:", k)
+	}
+
+	k := favContextKey("language")
+	ctx := context.WithValue(context.Background(), k, "Go")
+
+	f(ctx, k)
+	f(ctx, favContextKey("color"))
+
+}