(Wall Street Journal) – TikTok said it has spent $1.5 billion building an operation intended to convince U.S. lawmakers that the popular video-sharing app is safe. TikTok executives publicly promised to voluntarily wall-off American user data and bring in engineers and third parties to certify the app’s algorithm delivered content without interference from China, where its parent company, ByteDance, is located. So far, TikTok is struggling to live up to those promises. (Read More)