A system and method for authoring and providing information relevant to the physical world

摘要: A system and method capable of reading machine-readable labels from physical objects (107), coordinate geographical locations (108), timestamp an internal clock (109), accepting digital text string as input obtained directly a keyboard type device, or indirectly using speech-to-text engine transforming any other label information encoding into data by some transduction means, treating these different uniformly object identifiers for performing various indexing operations such content their associated single addressable unit called tour (103). The can function in authoring playback mode. mode permits new audio/text/graphics/video messages to be recorded bound identifier. triggers the when identifier accessed.