"and are often part part of contrats between Microsoft"
PROOF READ YOUR SHIT.
This, among several other examples pointed out. Are you a professional or not? You're paid to be a writer, act like it. These errors don't happen when the other guys write articles, but happen very frequently in yours. No excuse. The fu**ing huge tile of the article has a spelling error!
Also, whine much? Are you a PR rep for Mark of the Ninja or what?