Automated facial recognition is used to tag our social media posts. It could soon make everyday life for international travelers easier, wrote The Economist:

• Currently travelers can be held up in queues waiting to show their passports in five spots: check-in, security, outbound immigration, boarding, and inbound immigration.
• Japan is looking to use facial recognition technology to automatically waive people through in its airports by the time it hosts The Olympics in 2020.
• After France introduced new security measures due to terrorist attacks, airport queues doubled. The country is looking for ways to ease the congestion as well.
• There’s still some ways to go. In 2012 Japan found that the technology failed to identify passengers correctly almost 20% of the time. Though algorithms has made massive strides since then.
• The bigger challenge could be passengers objecting on privacy grounds. But that hasn’t stopped other security measures.

Read more on The Economist.