It's been discussed quite frequenty on here and also on Dottie's Weight Loss Zone - you could expand the past messages under the "general section" to give you posts from the last couple of month's and search through. Also, weight watcher's has a web site - just
www.weightwatchers.com with info. If you're looking for all the ways it's changed in the last 23 years, boy, is it a completely different program. However, if you just need the changes from 123 points to Winning Points (this year's update) - they are minor.