If you ask an intelligent question, don't neccecarily expect an intelligent answer or even an answer at all. Keep in mind that just because you know there are 40 other players in general chat, some of them could be AFK and many of them could be fighting or otherwise occupied. Any questions they do answer is simply out of the goodness of their heart, and let's face it : a lot of people's hearts are lacking in goodness! Getting angry and huffing about being ignored is just that much more encouragement for other players to ignore you.
For some people WoW is their first MMORPG, and so this may be difficult to understand. However, it's very important that everyone keep in mind that they are interreacting with very real and tangible human beings. The whole point of a game like this is to experience it with other people, and so don't be the socially awkward kid in the corner that only parties when they have no other choice. Likewise, don't fling around racist or sexist comments when you know there's a Christian guild meeting within General chat reach. Similarly, don't be the kid that taddles on everyone just because he doesn't agree with everything they say. Sometimes there's some pretty racy and awkward stuff said, especially in Barrens chat, but that doesn't mean you have to run and report it to a GM.
Don't be sore when someone rejects you for joining your guild or dueling you. First, if you want to do either of these, you should initiate some form of greeting before you hit them with a duel challenge or guild invite. Secondly, not everyone has the time and not everyone even cares for guilds or dueling. It's not personal, and sending repeated dueling invites is likely to get you maliciously and creatively ganked in the future. People who are victims of duel spamming do not forive, and they do not forget.
Don't be a begger. Keep in mind that every player you ask to give you money had to earn it themselves. Why do you expect someone to give you something for free that they had to earn? Just like in the real world, everyone is expected to do their own work to earn their own keep. It's okay to ask if you need something small like maybe enough to cover an Auction House or mailing fee, but don't go around asking and then getting mad when people laugh or reject you.
We all have to start somewhere, and World of Warcraft is a massive game. Don't be discouraged at the possibilities that lay in front of you, but don't get ahead of yourself either. Treating people courteously and taking the time to understand the game before you jump in asking questions will go a long way for making good first impressions on future friends and guildmates.
