I do a hunt every year for about 10 US Marines that I invite to a hunt as my way of saying "thanks" to them for their service to our country. I let them all shoot a doe when they come. Before the hunt I always go over with them how to avoid shooting a button buck and usually include some pictures in that discussion. I also let them know to be particularly skeptical of shooting if they see an antlerless deer that is alone.
It seems to help, though most years I still have a button buck shot.
FWIW, here's a story by a local TV station on this year's hunt:
http://www.walb.com/Global/story.asp?s=9268093.