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Director of publication: Jean-Pierre Gottdiener


All content on this site is covered by copyright. Private use only. Any recovery is therefore subject to the author’s agreement under Article L.122-4 of the Intellectual Property Code. The presentation and content of this information site together constitute a work protected by the laws in force in France on intellectual property.

Reproduction or representation of this site in part or in whole, on any medium whatsoever, may not be made without the prior written consent of the director of publication. However, you can download or print pages and/or parts of this site for strictly personal use, provided that you do not modify the notices relating to copyright and intellectual property rights. You may not reproduce pages, download information present on the site or use the Kalaxis site for commercial purposes

Personal data of users 

The personal data collected by is only intended for internal use. When you post a comment on this site, you must provide your name (or nickname) and your e-mail address. If you wish, you can also identify yourself using your Twitter or Facebook account. This information is stored in a database belonging to the Disqus company. Your email address will never be displayed on the blog without your consent. Your IP address is also recorded, but will never be displayed, used or communicated. Except in the case of a requisition by justice. In accordance with article 39 of the law of January 6, 1978 relating to data processing, files and freedoms, you have a right of access, modification and opposition to your personal data recorded by the blog. Use the contact form for this.

Use of personal data collected 


When you leave a comment on our website, the data entered in the comment form, but also your IP address and the user agent of your browser are collected to help us detect unwanted comments.

An anonymized string created from your e-mail address (also called a hash) can be sent to the Gravatar service to check if you are using it. The confidentiality clauses of the Gravatar service are available here: After validation of your comment, your profile photo will be publicly visible next to your comment.


If you are a registered user and upload images to the website, we advise you to avoid uploading images containing EXIF GPS coordinate data. Visitors to your website can download and extract location data from these images.

Contact forms 


If you leave a comment on our site, you will be offered to save your name, email address and website in cookies. This is only for your convenience so that you do not have to enter this information if you leave another comment later. These cookies expire after one year.

If you have an account and you connect to this site, a temporary cookie will be created to determine if your browser accepts cookies. It does not contain personal data and will be deleted automatically when you close your browser.

When you log in, we will set a number of cookies to save your login details and screen preferences. The lifetime of a connection cookie is two days, that of a screen option cookie is one year. If you check “Remember me”, your login cookie will be kept for two weeks. If you log out of your account, the login cookie will be erased.

By editing or publishing an article, an additional cookie will be saved in your browser. This cookie does not include any personal data. It simply indicates the identifier of the article that you have just modified. It expires after one day.

More about cookies

Embedded content from other sites 

Articles on this site may include embedded content (e.g. videos, images, articles, etc.). Content embedded from other sites behaves the same as if the visitor were to that other site. These websites could collect data about you, use cookies, embed third-party tracking tools, track your interactions with this embedded content if you have an account connected to their website.

Statistics and audience measurements 

We use the services of Google Analytics

Use and transmission of your personal data Storage

Duration of your data storage

If you leave a comment, the comment and its metadata are retained indefinitely. This automatically recognizes and approves subsequent comments instead of leaving them in the moderation queue.

For users who register on our site (if possible), we also store the personal data indicated in their profile. All users can see, modify or delete their personal information at any time (except for their username). Site managers can also view and edit this information.

The rights you have over your data 

If you have an account or if you have left comments on the site, you can request to receive a file containing all the personal data that we have about you, including those that you have provided to us. You can also request the deletion of personal data concerning you. This does not take into account data stored for administrative, legal or security reasons.

You can request this service on our page provided for this purpose:

Export or deletion of my personal data

Transmission of your personal data

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

Moderation of comments

Kalaxis’ comments are moderated ex post. They only reflect the opinion of their authors.

Any comment that is offensive, defamatory, xenophobic, racist, anti-Semitic, pornographic, revisionist, homophobic, sexist, incitement to hatred, violence or in general any subject contrary to the law and humanist values is not accepted. .

The site administrator reserves the right to delete without warning any comment derogating from this rule.

Reproduction rights

Reproduction of all or part of the content of this site is prohibited without the written permission of the authors (unless otherwise specified). All other material contained on this site (photos, texts, images, source codes, logos, names of products or brands mentioned, etc.), is the property of their respective owners.

The various illustrations and photographs published on this site are systematically accompanied by their credits when these are known. If you are the author of one of them and there is no mention of it, do not hesitate to contact us. Depending on your decision, we will add the appropriate information or we will remove the offending illustration or photograph.


In some cases, external links pointing to third-party stores may be affiliated. When this is the case, the site editor receives an amount calculated on the percentage of the sale. Sponsored articles are always mentioned as such.


Kalaxis uses the WordPress blogging platform.

Site development and hosting

The updating of the site is ensured by the webmaster of Kalaxis The site is hosted on the servers of the company OVH SAS with a capital of 10,000,000 €

RCS Roubaix-Tourcoing 424 761 419 00045

APE code 6202A

VAT number: FR 22 424 761 419

Head office: 2 rue Kellermann – 59100 Roubaix – France