I added types of sex work as related terms instead of narrower terms because they can be done for fun instead of money, even though they're usually done for money.
What you are about the read is a rundown of my life in the sex industry, specifically the phone sex industry, including instructions on how to break into the industry, personal stories about doing phone sex work, and a discussion of the advantages and politics of sex work.
Interchange is originally a section within Eminism.org, the online propoganda center created by Emi Koyama (the author). Interchange basically archives some of the most interesting postings Emi made to various electronic mailing lists and message boards.