To train the computer for the task, IBM Research scientists fed it 100 horror movie trailers cut into separate "moments" or scenes. Watson then performed visual, audio and composition analysis on each scene to develop an idea of what people find scary. After that was done, the team fed it all 90 minutes of Morgan to find the right moments to include in the trailer. Watson instantly zeroed in on 10 scenes totaling six minutes of footage. A human editor still had to arrange the scenes to tell a coherent story, but Watson's involvement shortened the process to 24 hours. Trailers typically take 10 days to a month to complete.

Now, the big question is: is the trailer any good? You can decide for yourself after watching it below: