It’s not just you: Ticktock and Sn apchat are harder – or at least weirder to use than other apps. Open up TikTok, and a video will immediately start playing, a random teenager singing along to a pop song or mimicking a meme. How do you make it stop? Where’s the friends you follow? And what do you tap to get to your own profile? Open Snapchat, and the camera is open by default, the text overlaid...