The document discusses what the author learned about filmmaking technologies from creating a two-minute film opening. They used a Canon 550D camera which allowed HD filming and zooming to focus on characters' faces. Final Cut Pro was used to edit the film and add effects like flashbacks. Problems encountered included a lack of creative filming locations and technical issues with the camera stopping recording. Improvements would include using props like a knife for the serial killer and filming in a real police interrogation room.