Learning Materials Razor - Issues The razor programme highlights the following issues in design for consumers: the challenge of applying new scientific or technological concepts to highly personal activities close to the human body, such as shaving the role of the modelmaker in simulating the sleek appearance of a new product when the concept is still at an early stage of development the difficulty of developing innovative ideas in a traditional area of use where there is a long history of established practice the role of ‘pure science’, from ultrasonic vibrations to micro ink-jet spray technologies, in the development of new products which set out to improve performance the blurring of gender differences in developing products for such markets as personal grooming and toiletries the power of the high street retailer in determining what new ideas go into production. Keywords performance concept user benefits human factors personal grooming novelty sketching micro-technologies Many of the above keywords are explained further in Channel 4's jargon-busting A to Z of design terms and design concepts. Click on the Channel 4 logo at the top of the page to visit the site.