Privacy policies

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About Us

This is Haruo.

Our site address is

I usually work as an IT engineer.

My hobby is reading books. (About 50 books a year)

I would appreciate your favor in the blog centering on book reviews.

After working as a developer, system integrator, and engineer for a network equipment vendor, I am currently doing in-house SE.

I live with two children, one wife, and my pet Bechon.

I have less than a year of side business experience.

From now on, I want to live while doing work that I can enjoy all the time, and I am exploring various things.

Thank you !

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Personal data collected by this site and the reasons for its collection


When a visitor leaves a comment on this site, we collect the data displayed on the comment form, as well as the IP address and browser user agent string to help detect spam.

Anonymized (also known as a “hash”) string created from your email address may be provided to the Gravatar service to determine if you are using it. The service’s privacy policy can be found at If the comment is approved, the profile image will be open to the public along with the comment.


When uploading images to your site, you should not upload images that contain location information (EXIF GPS). Site visitors can download images from the site to extract location data.

Inquiry form


When you leave a comment on the site, you can opt in to store your name, email address and site in a cookie. This is for your convenience and saves you the trouble of re-entering more information when leaving other comments. This cookie is retained for one year.

When you visit the login page, we set a temporary cookie to determine if your browser accepts cookies. This cookie does not contain any personal data and will be discarded when you close your browser.

When you log in, we also set some cookies to retain your login and screen display information. Login cookies are retained for 2 days, and screen display option cookies are retained for 1 year. If you select “Save login status”, your login information will be retained for 2 weeks. When you log out, the login cookie is cleared.

If you edit or publish a post, additional cookies will be stored in your browser. This cookie does not contain any personal data and simply indicates the ID of the modified post. It expires in one day.

Embedded content from other sites

Posts on this site include embedded content (videos, images, posts, etc.). Embedded content from other sites behaves exactly as if a visitor visited that site.

These sites may collect your data, use cookies, embed additional tracking by third parties, and monitor your interaction with embedded content. If you are logged in to the site using your account, it also includes tracking your interactions with embedded content.


About access analysis tool

This site uses the access analysis tool “Google Analytics” by Google.

This Google Analytics uses cookies to collect traffic data. This traffic data is collected anonymously and is not personally identifiable. This function can refuse collection by disabling cookies, so please check the settings of your browser. For more information on these terms, please see the Google Analytics Terms of Service.

Prohibition of disclosure and provision of personal information to third parties

This site properly manages the personal information entrusted to us by our customers, and does not disclose personal information to third parties except in the following cases.
・ With the consent of the customer
・ When disclosing to a company outsourced by the Company in order to provide the service desired by the customer
・ When it is necessary to disclose in accordance with laws and regulations

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Where to share your data

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Data retention period

If you leave a comment, the comment and its metadata will be retained indefinitely. This is so that instead of keeping comments in the moderation queue, follow-up comments are automatically recognized and approved.

If there are users registered on this site, we will save the personal information they provide on their user profile page. All users can view, edit and delete their personal information (but not change their username). Site administrators can also view and edit that information.

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Your right to the data

If you have an account on this site or have left comments on the site, you can request to receive our personal data about you (including all the data you provided) as an export file. I will. You can also request the deletion of personal data. This does not include data that you are obliged to retain for administrative, legal or security purposes.

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Destination of your data

Visitor comments may be reviewed through an automated spam detection service.

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The copyrights and portrait rights of the images posted on this site belong to the respective right holders. It is not intended to infringe your rights. If you have any problems with the content of the article or the images posted, please contact each right holder directly by e-mail. After confirmation, we will respond.

If you move from this site to another site by a link or banner, we will not take any responsibility for the information, services, etc. provided at the destination site.

We strive to post as accurate information as possible regarding the content and information on this site, but incorrect information may be included or the information may be out of date.

Please note that we are not responsible for any damages caused by the contents posted on this site.

Comments that are offensive to public order and morals or that are deemed not to be approved by the administrator may not be approved and may be deleted at the discretion of the administrator of this site.

Please note that we are not responsible for any damages caused by the contents posted on this site.

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