location: html > body > div:nth-of-type(1) > div > section > div > div > div > div > div:nth-of-type(2) > div > div > div > div:nth-of-type(2) > article > p:nth-of-type(5)
text: Furthermore, the team continued to focus on diversifying user interests by grouping videos based on interest and using stratified sampling to ensure a balanced experience for users.