Contact and questions

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Please note:
(1) General support questions: normally answered within 2 business days
(2) Content questions: Questions on the content asked by premium subscribers to Manfred Zimmel are usually answered within 1-5 business days (although not a guaranteed, part of the premium subscription, fair use). Questions on the content from non-subscribers are answered depending on the free ressources, i.e. only sometimes.


(phone +49-69-5960-8951 - not recommended for administrative reasons)