The document summarizes the differences between the author's preliminary task and final product for a video project. In the preliminary task, the video quality was low, there were editing mistakes, and issues with sound quality and continuity. However, in the final product, the author improved the title design, added special effects, fixed editing and sound issues, and removed dialog to prevent continuity problems. Overall, the author learned a great deal through the process and is pleased with the improved quality and feel of the final product compared to the initial preliminary task.