Getting Things Done: The Art of Stress-Free ProductivityThe book Lifehack calls The Bible of business and personal productivity. A completely revised and updated edition of the blockbuster bestseller from 'the personal productivity guru' Fast Company Since it was first published almost fifteen years ago, David Allen's Getting Things Done has become one of the most influential business books of its era, and the ultimate book on personal organization. "GTD" is now shorthand for an entire way of approaching