This occupation field relates to careers that involve the buying, selling and promoting of goods or services. Effective marketers are dynamic, energetic and confident. They have an eye for reading markets, identifying consumer needs and reacting with the right ideas to influence and convince potential buyers. Marketing and Sales has become one of the most challenging functions in business and the advent of electronic media is continually making the job more versatile. Careers in Marketing and Sales vary according to where one fits into the marketing process: marketing research, packaging of the product, creation of marketing material for various media, promotions via displays/functions and selling the product. This whole process is managed by a marketing manager who ensures that targets and budgets are met and staff are motivated. Marketing functions are found in all industries, and is one of the most important functions of any business. Success is dependant on performance measurable in terms of sales figures. Relevant qualifications in business are required for promotion to management positions.