Systems, apparatus and methods are described that provide abstractions, tools and delivery systems useful in the publication, sharing, viewing, communication, transmission and reception of information on telephone networks. The invention also provides systems, apparatus and methods for conducting transactions on telephone networks. The systems, methods and apparatus can be optimized for use in mobile devices and may be addressed using existing telephone numbers. The abstraction typically maintains a built-in location capability. A plurality of tools are provided including a language for rendering information on telephone devices, and a protocol for enabling communications between telephone devices. In some embodiments, personal and business telephone numbers can be associated with addressable useful information about that telephone number. In many embodiments, the invention enables the calling of a telephone number to initiate voice communication in a manner identical to accessing published information associated with the target telephone number or user.