following: Longevity – how long the product performs its function Needs Fulfillment – whether or not the product fulfills a specific need or solves a specific problem for the customer Cost vs. Need – how much the product costs compared with how much the client wants or needs it Security – the safety level of the product, i.e. whether or not the customer feels comfortable using it Usability – the ease of use associated with the product Efficiency – the product’s ability to save the customer money, help the environment, or streamline a process