Notesmaster, listed by HRW among 56 government-built or government-financed educational products found transmitting children’s data to advertising technology companies, sent its students’ data to Oracle’s BlueKai through ad trackers and cookies, both before and after BlueKai’s reported 2020 data breach, which reportedly exposed billions of people’s personal data. HRW also found key logging on the site, sending data to youtube.com.