>Was it a 10 digits industry then? Apparently so. (https://en.wikipedia.org/wiki/Phone_sex https://en.wikipedia.org/wiki/Phone_sex) "By the end of the 1980s,

>Was it a 10 digits industry then? Apparently so. (https://en.wikipedia.org/wiki/Phone_sex https://en.wikipedia.org/wiki/Phone_sex) "By the end of the 1980s, nearly all of the major local phone companies in the United States, plus the major long-distance carriers, were actively involved in the phone sex business[...] In 2002 profits from phone sex were estimated at one billion dollars a year" And in relative terms in particular that seems pretty huge given how much smaller all the phone and online markets were compared to what they're now.