Lean Facilitation Made Easy: Rumor Has It I, II and III is a great book for those interested in facilitating lean. Rumor Has It I, II and III are three versions of one basic learning activity designed to facilitate zero defect thinking and kaizen. Rumor Has It is a great way to jump start critical conversations, renewed thinking and better work routines of continuous improvement. These fun and easy-to-use activities will help individuals, teams and organizations realize the potential of lean value creation.