TOKYO -- Nippon Telegraph and Telephone will invest 8 trillion yen ($59 billion) over five years in artificial intelligence, data centers and other growth areas under a plan announced Friday.
Japanese telecom to create new unit for next-generation optical network tech

NTT will spin off operations around its IOWN optical network technology into a new company. (Photo by Mizuho Miyazaki)
TOKYO -- Nippon Telegraph and Telephone will invest 8 trillion yen ($59 billion) over five years in artificial intelligence, data centers and other growth areas under a plan announced Friday.