Did you get it right?
1970s county diner with vinyl booths, pie case, coffee pot, wall clock, paper menu, and older locals talking Two wrong things slipped into the scene.

The Answer
The correct answer is: The touchless tip screen and takeout app sign do not belong in a 1970s county diner..
Here is why
- The touchless tip screen and takeout app sign do not belong in a 1970s county diner.
Why people miss it
Warm retro color. Wrong objects should sit naturally among diner surfaces and signage. No QR, phone, tablet, card reader, wireless earbuds.
What answer did you get before checking?