We used to be patient with slow checkout lines or wondering when a package...

https://smoothdecorator.com/what-convenience-means-beyond-speed-why-your-app-fails-when-you-ignore-the-details/

We used to be patient with slow checkout lines or wondering when a package would finally arrive. Now, those days are over. Users expect instant results, and the moment a login screen hangs or a payment fails, they move on