Beware of all enterprises that require new clothes.
Henry David Thoreau

There is no universally preferred format. Many job seekers spend days perfecting their resumes, agonizing over whether to use a chronological format or a functional one. This question may be akin to figuring how many angels will fit on the head of a pin. There is no one perfect resume to suit every employer's needs. But there is a perfect resume for a specific opportunity. If you are going to focus on perfection, do it on an individual, rather than a global basis.

We're supposed to be perfect our first day on the job and then show constant improvement.
Ed Vargo major league baseball umpire