World of Warcraft Guilds?

I just downloaded the trial, and I'm thinking about getting the full game. But I was just wondering how guilds work. I know what they are and everything, but how do guild members normally communicate? I wouldn't have to have skype or anything like that would I? And what level should I be before I join one?... show more I just downloaded the trial, and I'm thinking about getting the full game. But I was just wondering how guilds work. I know what they are and everything, but how do guild members normally communicate? I wouldn't have to have skype or anything like that would I? And what level should I be before I join one? Also, when you go on a raid or something, how do you decide who gets what when it comes to rare items?
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