The document discusses the progress the author has made from an initial preliminary task to creating a full thriller opening sequence. They learned how to use Adobe Premier Pro and After Effects software. Through trial and error on the preliminary task, they gained experience editing clips and understanding better camera shots. The full task required concentration and effort but allowed the author to improve their editing skills and learn about shooting and assembling shots for editing. Overall, the author feels they have gained valuable skills in video editing and producing a thriller sequence, having started with no experience.