This website uses cookies to ensure you get the best experience on our website.
Please note that by continuing to use this site you consent to the terms of our Privacy and Data Protection Policy .
Some of our partner services are located in the United States. According to the case law of the European Court of Justice, there is currently no adequate data protection in the USA. There is a risk that your data will be controlled and monitored by US authorities. You cannot bring any effective legal remedies against this.
Accept

Old blog entries removed

During the blog migration some blog posts got lost or removed. We will try to recover at least the most interesting posts. If you are missing an interesting topic, please let us know.