But all their CHF accounts just got 15% more valuable. I'd consider that excellent news!
Nothing changed for my Swiss colleagues who don't shop in Euros.
Here the official reasoning of the SNB: http://www.snb.ch/en/mmr/reference/pre_20150115/source/pre_2...
More of my experiences within Switzerland you'll find in here: "Eight reasons why I moved to Switzerland to work in IT" http://goo.gl/EIX4UX (Full disclosure: If you're from the EU and looking for a tech-job over here, I'd be happy to help out).
If I were doing so I would hate myself for not keeping as much as possible in CHF and just converting today for a 15% more EUR.
now I just need to decide if I should keep them or convert to EUR and close the account :D
Prices of foreign goods in Switzerland should slowly converge to the lower lever.