A report called "Correspondence respecting the alleged existence of Chinese slavery in Hong Kong: presented to both Houses of Parliament by Command of Her Majesty" was presented to the English Parliament in 1882 concerning the existence of slavery in Hong Kong, of which many were Tanka girls serving as prostitutes or mistresses to westerners.
To understand the social bearings of domestic servitude as it obtains in Hong Kong, it must be observed that although the Chinese residents of Hong Kong are under British rule and live in close proximity to English social life, there has always been an impassable gulf between respectable English and Chinese society in Hong Kong.
They advertise for clients through the Internet and local classifieds.
Religious groups have attacked these pages as encouraging sex for reasons other than reproduction.
On the other side, supporters believe these pages are more than just “sex chat”, but rather a discussion and dialogue on sex that could actually lead to greater understanding of sex and a safer sex environment.
They supplied their women as prostitutes to British sailors and assisted the British in their military actions around Hong Kong.
The Tanka prostitutes were considered to be "low class", greedy for money, arrogant, and treating clients with a bad attitude, they were known for punching their clients or mocking them by calling them names.
However, as teenagers are more likely to turn to social networks, these Facebook “sex secrets” are good options to replace the discussion of sex that is missing outside the social networking world.
It could be said that sex education requires discussion in society to complement the knowledge gained from school.
Andrew and Bushnell (2006) wrote extensively on the position of women in the British Empire and the Tanka inhabitants of Hong Kong and their position in the prostitution industry, catering towards foreign sailors.
The Tanka did not marry with the Chinese; being descendants of the natives, they were restricted to the waterways.
The general reticence about sex in Hong Kong is one reason for the popularity of “sex secret” pages.