A server device (10) stores at least investment target data made up of music tune data and data related to an artist. An investment client device (20) accesses the server device (10) to download the investment target dat and transmits investment data for an artist or a music tune which a user thinks...http://www.google.fr/patents/US20020165811?utm_source=gb-gplus-shareBrevet US20020165811 - Investment system and data transmitting/receiving method
Investment system and data transmitting/receiving method
