It's easy to lose the TikTok video you were watching when you accidentally refresh your For You feed, but it's not gone forever. TikTok has a new feature for your iPhone, iPad, or Android device that can show you all your watched videos over the last seven days. There are also other, more hidden ways to see your watch history — one that goes well beyond a week. Unfortunately, TikTok's new feature (Method 1 below) is still in the testing phase and hasn't been rolled out to everyone yet. Some...