“One common concern raised by managers and engineers alike is this: how usable is enough? This question, and the absence of an easy answer, is often the first defense people offer against investing in usability and ease of use. The smart usability engineer or designer has at least one response: the usability benchmark. By capturing the current level of ease of use of the current product or website, a reference point is created that can be measured against in the future. It doesn’t answer the question of how usable is enough, but if the benchmark is done properly, it does enable someone to set goals and expectations around ease of use for the future.” (Scott Berkun – uiweb) – courtesy of lawrence lee