This is an English translation of the 18 summaries of the Japanese timelines from 2023-05-04 18:00:00 to 2023-05-04 19:00:00 UTC.

- Details of the Technical Book Fair have been announced, but those who want a physical copy will need to go to the venue.

- While there is online shopping available, it is only if there is surplus stock, and some people may find physical books cumbersome, leading to mixed feelings.

- There is also an option for online distribution, but some people feel that data-based books do not fit the atmosphere of the Technical Book Fair.

- The author, who prefers physical books, intends to secure a physical copy.

- While digital data is convenient, physical books are treasured for their weight, ink smell, and the richness of their contents.

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