Part of Schengen, part of the European Free Trade Association, signed a lot of bilateral treaties and enacted a lot of EU legislation, contributed to EU projects.
The Swiss electorate voted against becoming part of the EU, but the EU's a huge market so Switzerland is quite integrated with the EU while still being independent.
Norway isn't part of the EU either, but they're in a similar position as Switzerland, which is probably why they're also part of this proposal.
Switzerland is also a lot more integrated than GB. Remember when we discussed hard vs. soft brexit? Soft Brexit would have left GB in a similar state like Switzerland and Norway. But we got a hard brexit.
Nonsense. We should swap it with Scotland, since both are beautiful mountainous countries with reasonably similar land areas and population, but on the whole Scots want to be in the EU and Switzerlanders don't