Knowledge workers, founders, freelancers — anyone who manages their own time. Less useful for people in highly structured environments where someone else owns your calendar; most of the techniques in the book assume you have meaningful control over how your day is shaped.
Most useful for someone who’s productive enough to know what doesn’t work for them. That’s when the survey format pays off — you’ve already proven one method doesn’t fit, and now you want to see what else exists without committing to another 300 pages on a single idea.
