Endnotes

---

¹ Digital marketing refers herein to Internet marketing for digital products and services, such as paper-based information products, product information, graphics, audio, video, tickets and reservations, financial instruments, government services, electronic messaging, business value creation processes, auctions and electronic mark, remote education, and interactive entertainment (Choi et al., 1997).

² Since there seems to be some overlap between digital products and services, the researchers usually use the term, digital products, to represent both in the later sections.

---