15. A non-transitory computer-readable storage medium for using multimodal information for media tagging having instructions that, when executed by a computing device, cause the computing device to: capture multimodal information, related to media, during multimodal interactions of a plurality of users, wherein the multimodal information comprises speech information and gesture information; identify an occurrence of a pre-determined keyword in the speech information; identify a co-occurrence of a pre-determined gesture from the gesture information with the occurrence of the pre-determined keyword in the speech information; identify a speech portion of interest in the speech information corresponding to the identified co-occurrence of the pre-determined gesture and the pre-determined keyword, wherein the speech portion of interest includes speech for a specified time duration before and after the occurrence of the identified keyword; and tag the media by attaching the identified speech portion of interest to the media.
15. A non-transitory computer-readable storage medium for using multimodal information for media tagging having instructions that, when executed by a computing device, cause the computing device to: capture multimodal information, related to media, during multimodal interactions of a plurality of users, wherein the multimodal information comprises speech information and gesture information; identify an occurrence of a pre-determined keyword in the speech information; identify a co-occurrence of a pre-determined gesture from the gesture information with the occurrence of the pre-determined keyword in the speech information; identify a speech portion of interest in the speech information corresponding to the identified co-occurrence of the pre-determined gesture and the pre-determined keyword, wherein the speech portion of interest includes speech for a specified time duration before and after the occurrence of the identified keyword; and tag the media by attaching the identified speech portion of interest to the media. 16. The non-transitory computer-readable storage medium of claim 15 , wherein to identify the occurrence of the pre-determined keyword in the speech information, the instructions are to cause the processor to: convert the speech information to text; and analyze the text of the speech information to identify the occurrence of the pre-determined keyword.