Clues about the next expansion?


Hey guys. I recently attended the SDCC and met someone who worked for Blizzard. We had a nice talk about their work on the Legion expansion, and it was fun to hear how artists work to piece together the environments and dungeons that the players interact with. For example, the updated naga model in Legion was actually started by one guy and finished by another after he left Blizzard, meaning they had to replicate his art style in order to finish the model.We also talked briefly about any future expansions (obviously they didn't reveal anything), but they did say something like this, which I found interesting:"There are lots of clues and hints about the next expansion(s), some are obvious and others are very ambiguous; they cause a lot of conspiracy theories and discussion online. It's funny, actually. Some have even passed over everyone's heads since the beginning of the game, literally. There's this one major clue we put in the Demon Hunter class hall, floating above everyone's heads, but nobody has noticed or seemed to understand what it means, I think."It could be cool if someone could log in and check. It's been a while since I played WoW, and I don't have a demon hunter either.What other clues do we have about possible future expansions? Are they all foreshadowings or could some of them be meant to mislead us?