One of the biggest markets where freelance work is done is in the field of designing and illustration. Defined as "doing a graphic design jobs for businesses to make their products sell via direct marketing," designing is becoming one of the growing markets where designers earn income by doing freelance work.
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.