Abstract: A system includes a first mobile device configured to provide information concerning a physical location of the first mobile device and a second mobile device configured to receive the information concerning the physical location of the first mobile device. A contacts database is provided for the first mobile device based on input of a user of the first mobile device such that communication is allowed with the second mobile device based on the contacts database.

Abstract: Systems and methods for sending messages to a group using a preferred or an optimal communication medium for each individual in the group are provided. Groups may be indicated by tags associated with each individual in the group. Determining a preferred or optimal communication medium for each individual may be based on various factors, including predetermined preferences, presence, and/or activity. In various embodiments, the present invention includes systems and methods for managing a plurality of groups with overlapping membership.

Abstract: A system includes a first mobile device configured to provide information concerning a physical location of the first mobile device and a second mobile device configured to receive the information concerning the physical location of the first mobile device. A contacts database is provided for the first mobile device based on input of a user of the first mobile device such that communication is allowed with the second mobile device based on the contacts database.

Abstract: Systems and methods for using location information to determine a medium to use for communications to a user of a mobile device are provided. The user's mobile device provides location information to in intermediate computing device. That location information is accessed and used to determine, from a plurality of media, which to use for communications with the user. In various embodiments of the present invention, the user's mobile device can receive location-based content and commands.

Abstract: Systems and methods for using location information to determine a medium to use for communications to a user of a mobile device are provided. The user's mobile device provides location information to in intermediate computing device. That location information is accessed and used to determine, from a plurality of media, which to use for communications with the user. In various embodiments of the present invention, the user's mobile device can receive location-based content and commands.

Abstract: Systems and methods for using location information to determine a medium to use for communications to a user of a mobile device are provided. The user's mobile device provides location information to in intermediate computing device. That location information is accessed and used to determine, from a plurality of media, which to use for communications with the user. In various embodiments of the present invention, the user's mobile device can receive location-based content and commands.

Abstract: A method and system manages content delivery to a multi-modal client device. The system may include a session manager logically connected between a server and the client device. The session manager can maintain a record of the state of a user's session, and if the user or the client device switches from an initial presentation mode to a second presentation mode, the session manager can use the record to effect a seamless transfer from the initial presentation mode to the subsequent presentation mode. The session manager may also transcode content delivered to the client device so that the content is compatible with the presentation mode selected by the user.

Abstract: Systems and methods for sending messages to a group using a preferred or an optimal communication medium for each individual in the group are provided. Groups may be indicated by tags associated with each individual in the group. Determining a preferred or optimal communication medium for each individual may be based on various factors, including predetermined preferences, presence, and/or activity. In various embodiments, the present invention includes systems and methods for managing a plurality of groups with overlapping membership.

Abstract: Systems and methods for using location information to determine a medium to use for communications to a user of a mobile device are provided. The user's mobile device provides location information to in intermediate computing device. That location information is accessed and used to determine, from a plurality of media, which to use for communications with the user. In various embodiments of the present invention, the user's mobile device can receive location-based content and commands.

Abstract: A method and system manages content delivery to a multi-modal client device. The system may include a session manager logically connected between a server and the client device. The session manager can maintain a record of the state of a user's session, and if the user or the client device switches from an initial presentation mode to a second presentation mode, the session manager can use the record to effect a seamless transfer from the initial presentation mode to the subsequent presentation mode. The session manager may also transcode content delivered to the client device so that the content is compatible with the presentation mode selected by the user.