diff --git a/00-notes.txt b/00-notes.txt
index d0d0691..445053d 100644
--- a/00-notes.txt
+++ b/00-notes.txt
@@ -1,9 +1,10 @@
 = distribution
 * leading blog posts
   * a new kind of programming book
-	* minimize text, maximize examples
-	* focus on working programs
-	* syntax highlighting
+	* programmers learn by examples - minimize text, maximize code
+	* programmers want to ship software - focus on working programs, toolchain
+	* design matters - syntax highlighting, typography
+	* marketing matters - twitter, 
   * select, actors, threads, and event loops
   * small go programming examples
 * newsletter
@@ -32,3 +33,41 @@
   * compilation
 * ruby and nodejs stdlib
 * ruby and nodejs killer apps
+
+* gzip
+* random numbers
+* sending email
+* subprocesses
+* listing files
+* regular expressions
+* json parsing/unparsing
+* tls server
+* tls client
+* https server
+* https client
+* buffered io
+* atomic ints
+* wait group
+* tcp proxy
+* http streaming server
+* http streaming client
+* http proxy
+* postgres, redis
+* templating
+* web app
+* hipache port
+* templating
+* scatter-gather
+* ssh
+* environment variables
+* dns
+* timers
+* url
+* tty
+* iota
+* apps with multiple named binaries
+
+http://code.google.com/p/go-wiki/wiki/GithubCodeLayout
+http://code.google.com/p/go-wiki/wiki/PackagePublishing
+http://blog.golang.org/2012/08/organizing-go-code.html
+http://golang.org/doc/code.html
diff --git a/xx-args.go b/xx-args.go
new file mode 100644
index 0000000..1fb98e5
--- /dev/null
+++ b/xx-args.go
@@ -0,0 +1,12 @@
+package main
+
+import ("os"; "fmt")
+
+func main() {
+	argsWithProgram := os.Args
+	argsWithoutProgram := os.Args[1:]
+	arg := os.Args[3]
+	fmt.Println(argsWithProgram)
+	fmt.Println(argsWithoutProgram)
+	fmt.Println(arg)
+}
diff --git a/xx-exec.go b/xx-exec.go
new file mode 100644
index 0000000..486f141
--- /dev/null
+++ b/xx-exec.go
@@ -0,0 +1,14 @@
+package main
+
+import ("syscall"; "os"; "os/exec")
+
+func main() {
+	binary, lookErr := exec.LookPath("ls")
+	if lookErr != nil {
+		panic(lookErr)
+	}
+	execErr := syscall.Exec(binary, []string{"-a", "-l", "-h"}, os.Environ())
+	if execErr != nil {
+		panic(execErr)
+	}
+}
diff --git a/xx-spawn.go b/xx-spawn.go
new file mode 100644
index 0000000..8ad69f6
--- /dev/null
+++ b/xx-spawn.go
@@ -0,0 +1,13 @@
+package main
+
+import ("os/exec"; "fmt")
+
+func main() {
+	cmd := exec.Command("ls", "-a" "-l", "-h")
+	out, err := cmd.Output()
+	if err != nil {
+		panic(err)
+	}
+	fmt.Println("====== Output")
+	fmt.Print(string(out))
+}
diff --git a/xx-users.go b/xx-users.go
new file mode 100644
index 0000000..4cc3a6c
--- /dev/null
+++ b/xx-users.go
@@ -0,0 +1,10 @@
+package main
+
+import ("fmt"; "os/user")
+
+func main() {
+	me, _ := user.Current()
+	fmt.Println(me)
+	root, _ := user.Lookup("root")
+	fmt.Println(root)
+}