The most apt definition of what the advent of CAD, computer aided design, has provided to the design services industry and business in general, is simply a revolution. It has allowed for the quick and easy development of complex design work, and presents the design idea in a clear and understandable way.
CAD, the abbreviation for computer aided design, has been around for a while now. Most of the designers currently in work have only really started using it in the last ten years, although some have been using it for longer. This is because more tech-savvy people have come up through the ranks over that period, and the technology that they have to play with has improved by leaps and bounds. In fact, the technology that they use for this has only continued to improve in capability and ease of use, meaning that it has become and will continue to be an even more powerful tool for designers.