Many of Korea’s highly popular pop-up stores — the transient retail spaces driving many modern street fashion and online trends — are quietly violating consumer rights and data privacy laws, city officials warned Wednesday. The Seoul Metropolitan Government recently released the findings of a sweeping joint investigation conducted with the Green Consumer Network in Korea, a civic consumer advocacy group. The study — which surveyed 1,000 frequent retail visitors, in addition to conducting physical inspections of 24 major pop-up venues in Seoul's retail districts — revealed that a staggering number of temporary shops fail to meet basic legal requirements for data collection, portrait rights and refund policies. Temporary retail spaces have evolved from brief marketing experiments into a consumer lifestyle trend. According to the city's market survey, shoppers visited an average of 3.1 pop-up stores over the past year, spending an average of 50,500 won ($36.50) per visit. Consumers cited exclusivity as the primary driver, with 57 percent indicating they went to purchase limited-