DLCs: Games are expected to have DLCs nowadays, so game devs purposefully hold back some ideas for potential DLCs, often crippling the main game as a result.
Subscription services: For pretty much anything, but especially those automated monthly payments, which you won't bother cancelling, even if you feel like you're not using the service to its fullest.
But in Europe we don't say German Mean Time or Spanish Mean Time when changing to summer time. We increment GMT+1. So it becomes GMT+2. Then we revert back to GMT+1 in winter.