<s>[INST] Why do most YouTube video thumbnails feature a face with some exaggerated expression? [/INST] YouTube video thumbnails are generally created to maximize the amount of people who click on them. Various content creators experiment with different thumbnail styles and over time have realized that certain elements such as exaggerated facial expressions tend to perform better and bring more viewers to the video.</s>\ <s>[INST] Do you have any tips for how I could improve my click-through-rate and retention on YouTube with thumbnail styles and video titles? [/INST] 