What is a community manager? We talk to John Lewis, who's a full-time community manager for web startup Ponoko.com. Ponoko lets people make physical objects from their computers. Based in Wellington, New Zealand, John helps Ponoko's growing community of users around the world. Why does a small web startup have a full-time community manager? It's a great example of 21st century marketing - looking after existing customers, and letting them spread positive word of mouth. You'll hear more about John's job in this interview.