| Scannable black-and-white square … or a hint to 17-, 30-, 45- and 57-Across |
New York Times |
18 Dec 2023 |
| Scannable black-and-white square ... or a hint to 17-, 30-, 45- and 57-Across |
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| Element of many modern ads |
New York Times |
29 Jul 2023 |
| Scanned black-and-white image |
The Washington Post |
09 Jun 2021 |
| Scanned black-and-white image |
LA Times Daily |
09 Jun 2021 |
| Image made of black squares on a white background |
USA Today |
26 Nov 2020 |
| Black and white square pattern read by camera phones |
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| Box that shoppers scan before purchasing |
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