A system is provided in which a handheld computing device may be used to provide a user with shopping assistance services. A shopping assistance service may allow a user to obtain directory information for a shopping mall. A user may use the handheld computing device to handle shopping lists. The handheld...http://www.google.fr/patents/US6587835?utm_source=gb-gplus-shareBrevet US6587835 - Shopping assistance with handheld computing device
Shopping assistance with handheld computing device
