Ever since the announcement of Warlords of Draenor, most players -- including myself, to a degree -- have been under the assumption that this is an expansion involving time-travel of some sort. Sure, supposedly we as players aren't traveling in time, but Garrosh Hellscream did so, to an alternate version of Draenor whose history he presumably changed. Now instead of invading Azeroth as we're accustomed to, this altered version of Draenor and its Iron Horde are attempting to invade the here and now.
Only there's one key thing we've been missing -- this isn't time travel. Not in the slightest. After playing on beta for a mere few hours, what Blizzard is doing is something entirely different. While we've been focusing on time travel and how this would affect our future, Blizzard has been quietly putting together a story with some far-reaching, drastic implications that may very well take everything we know about World of Warcraft, stand it on end, and knock it over with one well-placed blow.
Spoiler Alert: The following column contains a couple of fairly large spoilers for Warlords of Draenor. If you are avoiding expansion information and discussion, do not continue.