Sign up for our daily newsletterEmail addressSign upI would like to subscribe to The Points Guy newsletters and special email promotions. The Points Guy will not share or sell your email. See privacy policy.When it comes to bathroom technology, no country is more advanced than Japan. Now, even travelers just passing through Narita International Airport (NRT) will get to experience the country’s high-tech toilet culture with a quick visit to the restroom.Earlier this month, the airport installed tiny rolls of toilet paper for travelers’ smartphones in 86 bathroom stalls — right next to the regular roll of TP. According to an article by The Guardian, this unexpected luxury comes courtesy of telecommunications company NTT Docomo, with each sheet — in addition to welcoming the user to Japan — explaining (in English) how to connect to the airport’s Wi-Fi and install its travel guide app.Image courtesy of JT Genter.While it may seem like a very kitschy, Instagram-ready photo op, the reason behind the smartphone wipes is real: recent studies have shown that a smartphone screen is likely to have five times as many germs on it than a toilet seat.Image courtesy of JT Genter.You can see more in the video below, but if you want to check them out in person, you’d better book a flight now. According to NTT Docomo, the smartphone wipes may only remain in place through March. Welcome to Japan!H/T: The Guardian