Given that these days, we’re constantly on our devices, even while in the bathroom, it was only a matter of time before some company decided to design a bathroom experience catering to smartphone use. And of course it was bound to happen first in Japan, known across the world for its high-tech toilets. Many tourists get their first experience with the toilets at the stalls in Tokyo’s Narita International Airport. Now, the airport’s bathroom stall experience has been upgraded with a new perk: toilet paper for smartphones. Watch the video above to see how it works.