* 'TANDEM Fundazioa<ref>{{cite web|url=http://www.tandemcity.info/general/en_history.htm |title=TANDEM Fundazioa: history |website=Tandemcity.info |date= |accessdate=2016-01-20}}</ref> was founded in 1994 for the development of scientific cooperation and educational and advanced training with their head office in Donostia/San Sebastian, Spain.
* The majority of the schools under the TANDEM Network established the association 'TANDEM International'<ref name="tandem-schools1"/> with headquarters in Bremen, Germany. Since March 2014, TANDEM International has been the owner of the brand 'TANDEM'.
==Opportunities for application==
Tandem is an approach that can benefit all ages, which can be implemented in different educational settings, but perhaps is best appreciated by language students with a lower intermediate proficiency or above. It can take place in the country of one course group, in the country of the other group, together in a third ___location, or over the Internet.
Tandem unites many aims under one roof:
* general language Tandem,
* Tandem focused on cultural exchange,
* Tandem for professional purposes,
* cross-cultural understanding Tandem,
* multilingual ‘Babylonia Tandem’,
* cross-border 'Mugaz Gain'<ref>{{cite web|url=http://www.tandemcity.info/euskara/ca24_mugaz-gain.htm |title=TANDEM Fundazioa: Mugaz Gain proyecto cultural transfronterizo |website=Tandemcity.info |date= |accessdate=2016-01-20}}</ref> and
* eTandem on the Internet
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And offers self-directed learning with flexibility of content: conversation, narrative, reading, professional activities such as phone calls, interpretation, translation, as well as leisure activities, intercultural differences, etc. Tandem has developed from a language-learning method to an educational movement, as evidenced by the sources cited.
==Positive effects==
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