A few months ago, a Swedish company gained international headlines after launching an internal program under which staff were encouraged to have themselves implanted with security micro-chips.

Now, in a sign the technology is catching on, Sweden's state-run public transport provider "SJ" has got in on the action.

It's now allowing commuters to travel on its trains with just a wave of their hand.

Featured:

Stephen Ray, spokesman for Sweden's Rail Provider SJ
Lina Edstrom, spokeswoman for Sweden's Rail Provider SJ
Ben Libberton, microbiologist, Karolinska Institute

Source: http://www.abc.net.au/news/2017-06-12/swedens-state-rail-provider-waves-through/8611244