A paper out this week from IBM shows just one of the many things that it wants to do with “Watson” in video – and its plans seems to be to replace modern video metadata. It will have its work cut out. We managed to miss IBM at IBC, where it had promised to tell us about how Watson can improve video, but back in April IBM was telling the press about its Content Enrichment Service which would use Watson’s cognitive abilities to provide a deep analysis of video and to extract metadata such as keywords, concepts, visual imagery, tone and emotional context. At the time it talked about its tone analyser, which used visual recognition of faces (on the…