This app means straight up business. We have analysed , profiles of sex workers on an international review site. To get a good number of hits on the app, sex workers might still need to locate in busy areas like this, where clustering together would also help to attract steady customers. Out of sight, out of mind, it seems. I have to admit I didn't know Submitted by Anonymous on December 17, - 4: Much of the decline will have been offset by the growth of sex work advertised online, it reckons. Free, no-strings-attached sex is far easier to find than in the past.