A Japanese coin-laundry operator has introduced a smartphone service to boost convenience for its customers in a move likely to intensify competition in an industry that is growing fast due to demand from people juggling busy schedules.The operator Wash Plus introduced the "Smart Laundry" service last month in Chiba Prefecture near Tokyo. Using registered smartphones, customers can check the occupancy status of laundry machines, receive a notice that clothes are ready to be picked up, and make payments. Receipts are available via email.Wash Plus, which now runs eight coin-operated laundries…READ FULL ARTICLE