The sex industry is an ever-changing profession. Although the basic service (intercourse for payment) is timeless, the expectations, procedures, and interrelationships between the various actors (clients, sex workers, and mainstream society) have drastically changed.
Furthermore, in recent years, technology has also played an important role. The invention of the cell phone and the internet resulted in structural changes which has both opened opportunities for sex workers but has also constrained and controlled them. It is this seemingly contradictory interconnection between choice and control which is fundamental to understanding the contemporary sex industry.
If you want to fully understand the sex industry, then please read the following blogs: