WARNING: We rarely feel the need to alert readers to explicit content. But our discussion of the online sex trade requires frank language, and some may find the topic distasteful.

FOR those seeking commercial sex in Berlin, Peppr, a new app, makes life easy. Type in a location and up pops a list of the nearest prostitutes, along with pictures, prices and physical particulars. Results can be filtered, and users can arrange a session for a €5-10 ($6.50-13) booking fee. It plans to expand to more cities.
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STREET-WALKERS; kerb-crawlers; phone booths plastered with pictures of breasts and buttocks: the sheer seediness of prostitution is just one reason governments have long sought to outlaw it, or corral it in licensed brothels or “tolerance zones”. NIMBYs make common cause with puritans, who think that women selling sex are sinners, and do-gooders, who think they are victims. The reality is more nuanced. Some prostitutes do indeed suffer from trafficking, exploitation or violence; their abusers ought to end up in jail for their crimes. But for many, both male and female, sex work is just that: work.
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