The next thing to look at, what are the goals of the client? Many clients like personal trainers simply to help them work out, no specific goals but general overall fitness. For these clients, percentages are probably unnecessary as you as the trainer can monitor their intensity and effort by watching. If it is an athlete preparing for their sports, intensities will give you a great guideline to go by and allow you to accurately pick a weight for their work sets that will increase their potential for strength.
As an information marketer in an information society, you want to find the best way to capture and share information with your readers. It starts with document creation. Although Dragon Dictate is great for getting your thoughts down, eventually you‘ll need to share it. For those Mac marketers who are migrating to the Mac from Windows, the de facto, standard, primo way of doing this is, of course, Microsoft office. It is available for the Mac too. But you may find it overkill outside of the cubicle. Or, if you‘re a beginning marketer, you may find funds short to begin with.