toyota motor and telecom giant ntt will develop connected cars t that use ntt's highgh-speed wireles tecechnolo. ntt is currently developoping t fifth generation mobile network, which is promising data transfer speeds ten times faster than now. 5g is expected to improve the self-driving system. it will allow cars to exchange data with other vehicles and sensors along rds in reaeaime. passengers will be able to watch high-definition videos. toyota is alrlready working wit another japaneseelecom firm, kddi, to develop connected cars. executives saidd the carmaker hope to speed up development with their latest tie-up with ntt. >>> foreign tourists in japan are often confused by signage, which sometimes uses unfamiliar similar bombs. authorities are responding by making the images more universal ahead of the 2020 tokyo olympic games. a panel of experts has unveiled 18 new designs. included is a wi-fi hot spot. the image of an electric plug means charging station. the atms that accept credit cards issued outside japan will show the yen sign and the image of a global. government officials plan to fin