You won_t have to worry about anyone finding out about your credit card purchases here. Among Kim_s clients was a schoolteacher who had a camera memory card containing explicit videos of her stolen while she was in college. The videos are known in Korean as "molka," an abbreviation meaning hidden camera. That K-pop stars were also partaking is "not surprising at all; it_s just showing how prevalent this problem is," said Lee Hyo-rin, an activist with the Korea Cyber Sexual Violence Response Center, which helps victims whose videos have spread online. Whenever new communications tech springs onto the scene it_s sex that makes it fly off the shelves. But the history of sex and tech goes back much further. So we want to know that they are actually into it as much as we are. Such recordings are a problem elsewhere in the world but have proved particularly endemic in South Korea _ so much so that in his 2017 election campaign President Moon Jae-in made increased punishment in such cases part of his platform. What the music stars are accused of doing is surprisingly widespread in South Korea, where all production and distribution of pornographic material is against the law.