
If something fails in your app, at least have the courtesy to tell your users why, @Ticketmaster. Greying out the "Next" button without any explanation is a road to frustration.
Shame On UI
HBO Max bravely answers the question "what if the people who designed an app fucking hated their customers”
UI/UX Tip: Don't use hamburger menus on desktop. Unless you have a ton of links, there's likely plenty of space for you to not have to hide your navigation.