They're only one rung above notepad.exe's "Search reached end of document | Ok" dialog, but only because for most of them hitting Ok takes you to the source of

They're only one rung above notepad.exe's "Search reached end of document | Ok" dialog, but only because for most of them hitting Ok takes you to the source of the notification. They're a disaster compared to Apple's desktop HCI guidelines that insist on verbed dialogs and disdain "Cancel | Ok"