Help to make Alexa smarter on Alexa Answers. Sign in with Amazon

Film and TV

What is the name of the black and white matrix which can be found on billboards?


QR codes are the Black and White pixelated square images.

{{ relativeTimeResolver(1622542663650) }}

LIVE
Points points 10
Rating

Similar Questions

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE