"Hi Bill, first of all, I don't send demos out via email unless a clients asks for one. I just send a high quality mp3; it's the sound of your voice that gets the clients, not your bit-rate. Yes, I do watermark them, but only in the hope…"
"A website with some vo demos on it always helps. A link to it on all your email signatures helps too, whether writing to friends or businesses, you never know where the next job is coming from.