1. A method for annotating a content data stream, comprising: receiving a content data stream; annotating a portion of an image representing a person in the content data stream with metadata that symbolically describes emotional information conveyed by the person, wherein the portion is a body part of the person; and outputting the content data stream augmented with non-textual annotations of the portion of the image representing the person having a requested modality for the interpretation or cognition of the annotated content, wherein the emotion information is conveyed by both the portion of the image and the non-textual annotations individually, wherein the non-textual annotations are configured to be detected and processed by a personal annotation output device receiving the outputted content data stream to output the portion of the image and output the non-textual annotations in the requested modality for the interpretation or cognition of the annotated content, wherein the requested modality is transmitted by the personal annotation output device.
1. A method for annotating a content data stream, comprising: receiving a content data stream; annotating a portion of an image representing a person in the content data stream with metadata that symbolically describes emotional information conveyed by the person, wherein the portion is a body part of the person; and outputting the content data stream augmented with non-textual annotations of the portion of the image representing the person having a requested modality for the interpretation or cognition of the annotated content, wherein the emotion information is conveyed by both the portion of the image and the non-textual annotations individually, wherein the non-textual annotations are configured to be detected and processed by a personal annotation output device receiving the outputted content data stream to output the portion of the image and output the non-textual annotations in the requested modality for the interpretation or cognition of the annotated content, wherein the requested modality is transmitted by the personal annotation output device. 2. The method of claim 1 , wherein annotating comprises: identifying a plurality of segments of the content data stream that are representative of a type of information to be annotated; and labeling said identified segments with said metadata that symbolically represents said type of information.