ChatterBank0 min ago
Black & White Square
13 Answers
I feel that I should know this,but don't. Right at the bottom of ''Latest Posts''there is a black & white square thingy. What is it & what is it for ?
WR.
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For more on marking an answer as the "Best Answer", please visit our FAQ.Not on my machine. Probably an advert.
If it is a square divided up into smaller black and white squares then it is what is called a QR code - a 2D version of a bar code.
Ask someone with a smart-phone to point their device at the code and it will link them to the advertiser's website.
You also see them on adverts on billboards and in newspapers and magazines.
If it is a square divided up into smaller black and white squares then it is what is called a QR code - a 2D version of a bar code.
Ask someone with a smart-phone to point their device at the code and it will link them to the advertiser's website.
You also see them on adverts on billboards and in newspapers and magazines.
Yes, it's short for 'Quick Response Code'.
See: http:// en.wiki pedia.o rg/wiki /QR_Cod e
Happy New Year.
See: http://
Happy New Year.