In our industry no one recommends increasing waste, there are no waste evangelists, and no pro-waste lobby. So why is there so much of it? As we scramble frantically through the day to please our customers we are often not even aware of the pointless trail of half done work and unwanted features we leave in our wake. This article helps you understand what waste is, where it comes from, and what you can do about it by mapping the seven wastes of Lean Manufacturing into the software development field. If you want both better software and happier customers then quit wasting time and read this article.