from BBC News - World https://ift.tt/2J3Ors5
Monday, November 23, 2020
Covid-19: China pushes for QR code based global travel system
QR codes - bar codes that can be read by mobile phones - have been used in China during the pandemic.
from BBC News - World https://ift.tt/2J3Ors5
from BBC News - World https://ift.tt/2J3Ors5
0 comments:
Post a Comment