Puzzled

[TuanLindsay]

Could someone please explain what these are and how they work. I believe they are something to do with making payments. They seem to be everywhere now, not necessarily with the Facebook or LINE logos. Many thanks .

[ballpoint]

It's a QR (Quick Response) code - a 2D bar code:

https://en.wikipedia.org/wiki/QR_code

 

 

[TuanLindsay]

Many thanks,

 

A Quick Response to that LINE/Facebook address?

 

But how does it work? Do you scan it with your mobile? Apologies for my ignorance, I put it down to my advanced age!

[TuanLindsay]

My apologies ballpoint again, I didn't follow your link. Have done now, many thanks again.