Question: Have you ever posted anything on social media?
Analysis

1.You can answer yes or no, and if yes, briefly mention what kind of things you have posted, such as photos, updates, or opinions. 2.You can also mention which social media platform you use, like Instagram, Facebook, or WeChat.

Synonyms
Try these synonyms instead of repeating the question:
  1. posted→shared; uploaded; published
  2. social media→social networking sites; online platforms