Automation is the other solution. For example in Helsinki-Vantaa, there are far more automated passport check gates than there are traditional immigration desks

Automation is the other solution. For example in Helsinki-Vantaa, there are far more automated passport check gates than there are traditional immigration desks: https://www.flickr.com/photos/bergie/3176184017 https://www.flickr.com/photos/bergie/3176184017 Even at SFO I've gotten to fill the immigration questionnaire a few times with a self-service machine, greatly reducing the time spent on the process.