Ugh!!!
yeah, I know :))
not in my day :)
well, the language changes and with Polish, it's mostly simplification (there's hope for the foreign learners, just wait another couple of decades or so ;)
So, Strzyga, if I went to a kiosk in Wrocław tomorrow and asked "jeden hamburger poproszę" would I get a look?
No, you wouldn't, the process has not gone that far yet. But I bet the next nine customers would say "jednego hamburgera".