Analyst Insight: Sales and operations planning is almost sacred to those who have it, but still fuzzy to those who don't. Those who do, cannot imagine running their business without it, while those who don’t, are still debating the merits and are not clear about the value. Whether you have it and are looking for tips to improve, or are seriously considering but yet unsure, read on. - Bryan Ball, Vice President and Group Director, Supply Chain and Operations Practices, Aberdeen Group