How do I teach my dog to heel?

a href="http://www.ehow.com/how_2091415_teach-dog-heel-day.html" rel="nofollow"http://www.ehow.com/how_2091415_teach-do…/a < This article on Ehow claims to teach owners how to get their dogs to heel in just one day. Maybe one day to do so is over ambitious but still, maybe this article features the basics.