Black Dots Illusion
As you look around the header, do you see black dots blinking on over the white dots? There are only white dots over the gray grid.
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https://addons.mozilla.org/en-US/firefox/addon/black-dots-illusion/#id=372510
See all my personas here:
https://addons.mozilla.org/en-US/firefox/collections/BrianZ/personas/
(optical illusion, black, white, dots, gray, grid)
(c) 2012 BrianZ All Rights Reserved
Black Dots Illusion
Add-on stats
This add-on was removed from Firefox Browser Add-ons on
2023-07-11
Weekly download count: NaN
Firefox on Android: No
Risk impact: Very low risk impact 
Risk likelihood:
Manifest version: 2
Size: 46.09K
Other platforms
Not available on Chrome
Not available on Android
Not available on Edge
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Add-on safety
Risk impact
Black Dots Illusion does not require any sensitive permissions.
Risk likelihood
Black Dots Illusion is very likely to contain malware and should not be trusted. Avoid installing.
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