Profession-related ads, color graphics, photos.
Practioners within a particular profession.
Specialists and journalists.
Developments in the field and practical information, with some research articles.
Sometimes cite sources, are occasionally peer-reviewed.
Color photographs, visually appealing, ads.
Workers within the industry.
Staff writers, professionals within the field.
Industry-related current events, ideas, products, services, job ads.
Rarely cite sources.