When it comes to pressing the dopamine button in your brain, few apps do it better than TikTok. Everything you're shown is algorithmically generated to keep you swiping through videos for hours. But ...

If you’ve ever wanted the content on your phone to scroll on its own, well, there’s an app for that. The Flex app does it for you, and it does such a good job as well. It’s not the first app to do it, ...