Scandinavian Languages: Foreign Languages, or ‘Neighbour’ Languages?

One for our Scandinavian followers; this The Economist article questions whether Scandinavian languages, such as Swedish and Danish, can be considered as ‘neighbour languages’:

http://www.economist.com/blogs/prospero/2014/08/johnson-linguistic-co-existence

Do you speak in your native language when conversing with people from other Scandinavian countries, or do you prefer to use English as a lingua franca? Let us know what you think!