On-line retail store services featuring a wide variety of consumer goods of others; On-line retail store services featuring downloadable electronic books; On-line retail store services featuring downloadable pre-recorded music and video; On-line retail store services featuring subscription boxes containing physical goods and digital goods; On-line retail store services featuring physical goods and digital goods; On-line retail department store services; On-line retail gift shops; On-line wholesale store services featuring physical goods and digital goods; On-line wholesale and retail store services featuring physical goods and digital goods; Online retail store services for downloadable and pre-recorded music and movies; Online retail store services for downloadable digital music; Shopping facilitation services, namely, providing an online comparison-shopping search engine for obtaining purchasing information; Operating an on-line shopping site in the field of physical goods and digital goods; Promoting and showcasing the goods of others in the field of physical goods and digital goods by means of an on-line shopping site with links to the retail advertisements of others; Promoting the goods and services of others by means of operating an on-line shopping mall with links to the retail web sites of others