With some experience from Wikipedia, in addition to WoWWiki, I now know the most basic and necessary things.
I've done quite a few mistakes, but thanks to all the people who have corrected me, especially Coobra, who have been very patient with me.
Updating talents
Edit
With the arrival of patch 3.0.2 there is a lot of talents to update.
If you want to help, check out the patch page here.
Bagdes Edit
  | This user is positive to an Alliance / Horde union! |
| This user plays as a blood elf mage. |
| This user plays on the European Argent Dawn server. |
| This user plays as a Herbalist / Alchemist. | 
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| This user prefers to RP. |
| This user prefers to PvE. |
| This user has too many alternate characters. |
| This user prefers casual playing style and is not hardcore. |
| This user has created a death knight. |
| This user would like Pandaren to be a playable race. |
| This user's character has cleared the Deadmines. |
| "Where is Mankrik's wife?" This user survived Barrens Chat. |
| This user has never reached level 80 even though they've been playing since Release Day. Quit rolling alts! |
| This user uses Mozilla Firefox to browse WoWWiki. |