ADTECHNOLOGY revenue for the last year amounted to 100.20 B KRW, the most of which — 59.31 B KRW — came from its highest performing source at the moment, Service, the year earlier bringing 38.92 B KRW. The greatest contribution to the revenue figure was made by South Korea — last year it brought ADTECHNOLOGY 100.17 B KRW, and the year before that — 164.25 B KRW.