when you scan there system sees it and if for example you have overstayed the gate won't open.this type of system has been in the UK and many countries for a few years now,also at Singapore airport ,it's all part of cutting back on staff and human contact ,scan and computer system handles it all.
ok Mr PC spoiler ,contradicting himself about stds ππand even my 81 yr old father uses FB now to keep in touch πand yes I also have Herpes ,but had a great time getting it ππππ»
One word "why",maybe examining what social media trends and tik tok are making utter morons of us πI'm glad I grew up when booze was free on planes and as youngsters we got smashed for fun ππ»