how to answer classmate post, Observing processes firsthand to identify waste is important because this approach encourages staff to recognize the problem, work together on solutions, and continuously improve. The book says, "We must first see problems before we can systemically solve them" (Graban, 2016, pg. 91). One way to observe processes firsthand is by using the value stream mapping tool. The tool helps analyze and improve work processes by observing how information, products, and time flow (Graban, 2016)