[INNOVATION] Pint glass QR code only visible when glass is full of Guinness unveiled
via thedrum.co.uk
Very cute idea - a QR code that only becomes visible once it's full of the black stuff!
[INNOVATION] Pint glass QR code only visible when glass is full of Guinness unveiledvia thedrum.co.uk
Very cute idea - a QR code that only becomes visible once it's full of the black stuff! |
|