Here's a neat little trick you can do with a logging bug. Whenever you exit wow your still technically in the game for 30seconds after you exit. This gives you a small window of opportunity to actually log onto an alt and buff your main and then log out then log into the main!
I've got a 60 rogue that was in Winter Spring just grinding/ganking and right before I was about to leave for Azshara I got dced. I thought, "no biggie" so I relogged but then I misclicked and logged onto my priest....
Now I'm saying, "damn it now I have to relog, again". My priest however was coincidently in almost the exact same spot as my rogue in WS....
This really freaked me out, and then I thought to myself, "huh, since my mains still there, and I'm here, what if I were to buff it like crazy?". So i gave my 60 rogue a fort buff, a fearward, ect and relogged into my Rogue.
And behold! My rogue had around 800 extra health
Then I really wished I had a 60 pally so i could give my rogue a kings blessing XD. Anyways, this is a really good trick if your ever alone and you need a buff to give you that little edge to help you kill a mob/group of mobs.
Also, it was kinda funny cause before i logged off I wsped my main with stuff like, "ZOMG ZOMG ZOMG!" And when I logged onto my rogue it said that Sai (my alt) had wsp me, "ZOMG ZOMG ZOMG!"