According to The Guardian, A mobile phone company known as NTT Docomo, has installed dispensers for "toilet paper" to be used on smartphones in the conveniences at Japan's Narita International Airport.
The smartphone sheets, which bear the message “welcome to Japan”, were installed in 86 toilet cubicles at Narita’s arrivals terminal, where they will remain until March 2017.
Docomo also published a light-hearted video demonstrating how to use the sheets - along with other information to help visitors get to grips with the hi-tech public toilets they are likely to encounter in Japan.
from: Ibhaobe Samson Eromosele
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