A large-scale communication failure of KDDI, a major mobile phone company, has continued since dawn on the 2nd.
It is an unusual situation where full recovery cannot be achieved even after two days or more.
Why is it taking so long, and what kind of impact will it have on people's lives and industry?
This is a commentary by reporter Okaya of the Ministry of Economic Affairs.
(The video is 3 minutes and 28 seconds. It cannot be viewed on data broadcasting.)