This document discusses best practices in human resources (HR) at top companies. It covers the importance of HR and key HR components like recruitment, selection, training, development, compensation, maintenance, working conditions, and communication. Specific practices highlighted include Google's emphasis on training and growth opportunities, Boston Consulting Group's career development meetings, Novartis' pay for performance and benefits, and techniques by Deloitte, Microsoft, and others to improve culture, retention, and employee satisfaction.