LifestyleTricks of the Trade: How Good Apps Keep Us Hooked00:54This browser does not support the video element.Lifestyle10/15/2021October 15, 2021Smartphone apps are designed to be "sticky.” They’re programmed by app developers so that we stay on them for a long time. With like buttons, little hearts, and a steady stream of new content, they get us addicted. Copy linkAdvertisement