9 Blank data carriers; prerecorded data carriers featuring programs for computer software development and for computer software verification and for validation customized advertising programs and for advertising and for promotional materials and for software allowing all kind of personal communication, namely, Instant Messaging, Application Sharing, Telephone Calls, Short Messages, Fax, Video Streaming, Voice over Internet Protocol, Mail Services, Screensaver, and for telephone software connecting telephone calls over the Public Switched Telephone Network controlled by protocols over the Internet and for telephone software initiating Voice over Internet Protocol Telephone Calls and for computer software calculating telephone costs and creating detailed telephone records and for computer software development and computer software verification and validation, customized advertising programs and for computer software connecting local areas networks to regional communication networks over broadband and fiber optic and for telephone computer software adapting to different end user units and for telephone software controlling telephone hardware functions and for telephone software controlling desktop functions, for software controlling and administrating contact information; computer software for connecting local areas networks to regional telecommunication networks over broadband and fiber optic networks and for user account information, namely, data featuring name, address, birth date, security questions of the users and data featuring login and password information of user accounts and data featuring telephone records, telephone numbers, mobile phone numbers, fax numbers of users and data featuring telephone costs and tariffs; computers