To publish a list for the public to see:

1. Open the Remember The Milk web app.
2. Switch to the list you want to work with.
3. Make sure you have no tasks selected so that the list details box appears on the right.
4. Click on the 'Publish' tab.
5. Select 'Make this list public'.
6. Click on 'Publish'.

Your list will now be available on the web.