https://www.gamespot.com/articles/wow-classic-announced-lets-you-play-vanilla-world-/1100-6454647/

Before announcing what's next for World of Warcraft, Blizzard announced something old. World of Warcraft Classic allows players to dive into a legacy version of the game before it received countless updates and expansions, answering a very popular request from fans.

Blizzard had a lot of news to share during BlizzCon's opening ceremony, including a new Overwatch character and map called BlizzardWorld, StarCraft II going free-to-play, and a new Hearthstone single-player mode. You can see a recap of all the BlizzCon 2017 opening ceremony news in our roundup.