I would add that web conferencing (or teleconferences) are great way of communicating to your customers a proven commitment to going green. It's especially helpful when your web conferencing provider makes tracking your energy savings easy, like iLinc's "Green Meter." It calculates the carbon servings based on the number of webinar participants and where they're located in relation to where the host facilitator is located. You can actually try their service for free at http://www.ilinc.com/trial/index.php?lead_src=Cybermark