occupations from the DOT plus an additional 3,500. This makes O*NET very useful for job analysis. The O*NET (an online resource which has replaced the Dictionary of Occupational Titles) lists job requirements for a variety of jobs and is often considered basic, generic, or initial job analysis data. Everyone can use this database at no cost and is continually updated by observing workers from each occupation. O*NET also has a Career Exploration Tool which is an assessment to help workers and students who are searching for new careers. Data available from O*NET includes physical requirements, educational level, and some mental requirements. Task-based statements describing the work performed are derived from the functional job analysis technique. O*NET also provides links to salary data at the US national, state and city level for each job. O*NET was designed with several features in mind, including: The inclusion of multiple descriptors and content domains to capture the range of ways that work can be described The development of cross-job descriptors in order to enable comparisons between various jobs The use of a taxonomic approach to occupational classification to enable full coverage within a content domain Using these principles, a content model was developed that identified six content domains and specific categories within each domain. These six domains and categories within them include: Worker characteristics: enduring individual attributes that influence the capacities workers can develop - abilities, occupational values and interests, and work styles Worker requirements: general attributes developed through education and experience, thus are more amenable to change than worker characteristics - knowledge skills and education Occupational requirements: descriptors of the work itself rather than the worker - Generalized work activities, work context, and organizational context Experience requirements: types and quantities of experience required for specific occupations - worker experience in other jobs, related training, on-the-job training, and certification requirements Individual occupation characteristics: reflects labor demand, supply, and other labor market information Occupation-specific requirements: information unique to a particular job - occupation-specific skills and knowledge, tasks and duties, and equipment used In modern United States Over the past years, the concept of job analysis has been changing dramatically. One observer put it: "The modern world is on the verge of another huge leap in creativity and productivity, but the job is not going to be part of tomorrow's economic reality. There still is and will always be an enormous amount of work to do,