TikTok — a social media platform owned by Beijing-based technology firm ByteDance — sends data to more third parties than any of its competitors. In a new study, URL Genius leverages Apple’s new privacy features to track where various applications send user data. They determined that TikTok, on average, makes contact with 13 third-party domains — far higher than Twitter, LinkedIn, Instagram, Facebook, or Snapchat. Although both YouTube and TikTok use an average of 14 trackers overall, 10 of YouTube’s trackers are first-party contacts — meaning that it primarily deals with user data for its own purposes, such as determining…