I know that marketing messages can take days to weeks to send out because of the incredible number of customers Blizzard has (and avoiding being flagged as spam

I know that marketing messages can take days to weeks to send out because of the incredible number of customers Blizzard has (and avoiding being flagged as spam an other considerations). It may be that an e-mail has started going out, but in the meantime the website and game launcher have been updated with messaging and Kotaku/WoW Insider/etc. is a pretty good way to get info to Blizzard's core player base.