In the movie Star Trek, space is considered to be the final frontier. Since ordinary civilians are not yet able to complete the voyage to seek new worlds, the best thing anyone can do is reach out to people in different states and countries by communicating in cyberspace.
With the advent of technology, copywriting already covers a wide range of media like television, radio, magazines, brochures, direct mail, and the like today. In fact, every word in every brochure, advert, website and leaflet you see is written by the copywriter. Before, copywriters are restricted to being in-house or by marketing / PR firms but now, there are so many freelance copywriters that offer their services.