3. Build a checklist of ease-of-use functions. This involves defining specific features that make a system easy to use for simple programs, and then determining which vendors provide those features. since people will disagree about what is hard or easy., because there do seem to be some pretty clear trade-offs between making it easy to do simple things or complicated things. The advantage of this method is that once you’ve settled on the checklist, the actual vendor ratings are quite objective and easily explained.