Computer aided transmission of messages and images; providing user access to global computer networks; providing access to databases; transmission of digital files; providing internet chatrooms; radio communication; internet radio broadcasting services; simulcasting broadcast television over global communication networks, the Internet and wireless networks; transmission of sound and images by satellite; information transmission via electronic communications networks; transmission of data, sound and images by satellite; computer-aided transmission of images; providing user access to computer programmes in data networks; transmission of sound, video and information; transmission of sound, picture and data signals; network transmission of sounds, images, signals and data