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Eventually, all internet devices will communicate via IPv6. Once everything is unified under IPv6, there will likely be fewer technical issues or concerns at the IP layer. The challenge lies in the fact that we will have to support dual-stack configurations, where both IPv4 and IPv6 coexist, for an extended period.……

The telephone, invented by Bell in 1876, has been in use for 150 years. How much longer will the method of dialing a number to reach someone continue? In Japan, due to the widespread adoption of mobile phones, traditional PSTN phones have been declining in households. However, businesses are still required to install phones, effectively making it mandatory due to administrative demands from governments.……

In Japan, starting from May 8th, 2023, the classification of COVID-19 as a Category 5 infectious disease means that the administrative response will shift to “no guard” status. However, this does not necessarily mean that the underlying situation has improved. The Evolution of the Virus Ultimately, the coronavirus has fully entrenched itself worldwide, remaining an infectious disease that results in death in a certain percentage of cases.……

We have silly situations at last. Everyone intends to make efforts every day from their respective social positions. Thus, the resulting social system was also one that efficiently spreads epidemics throughout the world. COVID-19 is the returning of SARS in 2002 in terms of the virus type, the route of transmission, and the prevention of epidemics.……