Discord. The “Gift nitro” button is placed where in a previous version the “upload file” button was

Additionally the window once opened, can’t be closed with the ESC key unlike other windows.

Finally you had to decline twice before that was changed to only be once.

Overall a very disgusting move on what was supposed to be a user friendly program

A big one is when an advert is made to look and feel like organic content. The “Ad” flag (legally required) is in faint small font like someone forced them to have it there.