The perfected enterprise sales force at Microsoft. They are good, really good. Here is a fun anecdote - There was a lawsuit where it was alleged that Microsoft

The perfected enterprise sales force at Microsoft. They are good, really good. Here is a fun anecdote - There was a lawsuit where it was alleged that Microsoft business practices against Novell were anticompetetive. Microsoft was forced to sell Suse Linux as part of the judgement. For the couple of quarters where this was in play, Microsoft managed to sell more Linux than Novell.