Never heard about this concept before. Thanks @realcameron.eth for introducing it. It's pretty interesting from the product & growth POV. Apps have lines of drift. Keith Rabois once said that they doubled down on developing LinkedIn profiles after they noticed that users spend a lot of time checking their profile pages. Users also have lines of drift. They tend to spend more time in one place than another. For example, when Farcaster started growing, it created a new line of drift where many Twitter people started spending more time on FC. So, if you noticed this line early enough, you could've used it to grow awareness of your app (+/- what we did with Kiwi).
Thanks @realcameron.eth for reminder on habit stacking. Will get back to it - ideal time now!