Advertising is one sector with upfront creativity and spontaneity, it fluctuates, changes, varies from time and to time, and is counted as the selling cost of a commodity.
Well thats in economics, but as the jobs include advertising sales reps, copywriters, advertising sales director, entry level jobs, advertising manager, executive, supervisor, publishing, account executive, assistant, analyst, content-writing, consultant, operations, and retail executive jobs, advertising job profile adhere to certain requisites.