@harald Actually I haven't been following details, so although I know people were complaining about privacy and other things, I never really understand the implications well.
Tracking precise location in realtime using GPS data
Using permanent identifiers for the bluetooth beacons, and having these connected with a phone number required for registering.
Storing the above data in a centralised storage location. (And using a foreign cloud provider for that storage.)
@harald From the AI article: "On Monday, the Norwegian government announced it would press pause on using its contact tracing app. The decision came [...] after [Amnesty] shared its findings with the Norwegian authorities"