To add to this post (which could probably be part of the sticky at the top), this is the message I get when I clicked on "Special Offers" (http://www.aircanada.com/en/offers/) at 247am Eastern time.

You are unauthorized to access the requested page.
Please check the address (URL) you entered in your browser and try again.
Our home page or site map may also help you find further information.

Both the AC and AP websites are a complete joke.