However GSM proved to be a very attractive technology for mobile communications and, since the launce in Europe, GSM has evolved to more or less a global standard.
By the end of his first year he would never again be known as the son of a Muggle-hater, but as nothing more or less than the most brilliant student ever seen at the school.
It's important because there are lots of effects in the ways that others perceive us, and those effects then lead to certain people being more or less influential in different kinds of settings.
A couple of recommendations for you are, of course, Friends, Friends can be enjoyed in any language and chances are you've seen Friends in your language so you'll understand more or less what's going on in English as well.