Now that 1.9 has been released it is time for everyone to join the war effort. Check out Blizzards site for how you can contribute.

Join the Ahn'Qiraj War Effort!
Be sure read about the Ahn'Qiraj War Effort. As the strange silithid stir behind the Scarab Wall and all races of Azeroth prepare for battle, there is much to be done in preparation. Adventurers of many skills and experiences can contribute to the war effort in their own way. Read on here.