9 Digital materials, namely, DVDs and CDs featuring instruction in the fields of physical and social sciences, reading, languages, mathematics and technology, the arts and humanities, business, accounting, computer science, writing, teaching and parenting; Downloadable software for use in providing on-line and mobile educational services; Downloadable software in the nature of a mobile application for use in on-line and mobile educational services, namely providing software that is accessible via a world-wide computer network and by way of downloading to mobile devices for use in providing interactive electronic learning experiences related to education in the physical and social sciences, reading, languages, mathematics and technology, the arts and humanities, business, accounting, computer science, writing, teaching and parenting; DVDs featuring instruction in the fields of physical and social sciences, reading, languages, mathematics and technology, the arts and humanities, business, accounting, computer science, writing, teaching and parenting; Educational software featuring instruction in physical and social sciences, reading, languages, mathematics and technology, the arts and humanities, business, accounting, computer science, writing, teaching and parenting