blog.pmarca.com: The Pmarca Guide to Big Companies, part 2: Retaining great people – interesting list; how to fix the problems that evolve as a company grows…in order, “Don’t give up [having a startup feel]”, “Focus”, “Clean house”, “Promote your best people”, “Simplify and clarify your organizational structure”, “Don’t rely on recruiters for everything”, “Ramp up college recruiting”, “Communicate within”, “Shake things up”. Also, how to keep your great people and how *not* to retain people…