Which ones? AFAIK that ID thing was an EU law? Also roaming is a good point. 5 years ago when I was active travelling this was no option yet as only contracts

Which ones? AFAIK that ID thing was an EU law? Also roaming is a good point. 5 years ago when I was active travelling this was no option yet as only contracts had proper roaming. Cheap roaming in the EU is basically new, and some ex. Switzerland is mostly still excluded