Smartphones; Portable media players; Cabinets for loudspeakers; Sound recording carriers; Diaphragms (acoustics); Horns for loudspeakers; Juke boxes (for computers); Compact disc players; Personal stereos; Headphones

Bill-posting; Publicity; Rental of advertising time on communication media; Presentation of goods on communication media, for retail purposes; Business information; Demonstration of goods; Television advertising; Systemization of information into computer databases; Online advertising on a computer network; Marketing