Let's not forget there were many light, medium, and dark interfaces before the flat design trend took over UI, but since those pre-flat interfaces were almost always built around usability rather than some stark design theory, they were user friendly, worked, looked fine, were obvious, and were almost never harsh on the eyes.
> Let's not forget there were many light, medium, and dark interfaces before the flat design trend took over UI, but since those pre-flat interfaces were almost always built around usability rather than some stark design theory, they were user friendly, worked, looked fine, were obvious, and were almost never harsh on the eyes.
This might be sarcasm, but if not:
Some highlights of counterexamples include...
The Office Ribbon
Winamp
Windows Media Player
Kai's Power Tools
QuickTime Player 4
Geocities websites
Flash websites