Blizzard announced today that Battle.net will soon be recieving an “Appear Offline” option while playing World of Warcraft, Starcraft II and Diablo III. When set to active all of your Real ID, BattleTag, and character level friends will see you as offline. Each game will have the option added separately in updates. Diablo III will receive it after update 1.0.5, Starcraft II and World of Warcraft will receive the update after their planned expansions come out.
I am actually surprised that Battle.net doesn’t already have that option in. I personally don’t play any Blizzard games, however if you are playing a game online it seems silly to want to appear offline to me. I can understand if you are constantly being bugged from a certain person every time you are online, but couldn’t you just remove them from your friends list. I guess this will make it easier for those people who didn’t want to raid but still wanted to get online and pvp.