Jetpacks - do exist, but limited to trained operators in special locations
Robot butler - robot waiters already exist, so it wouldn't be terribly difficult to repurpose one (although they're only sold to businesses as far as I could tell)
Finland is a blue Nordic cross on a white field (like a cross sitting on snow), while the Greek flag has a white greek cross in the canton (top left corner) and a white stripe pattern on a blue field, like a marble structure in front of a clear blue sky
We normally have fish, it's actually really good cause we eat it prepared in various ways and not just straight meat, it was also preceded by barszcz with pierogi
I have my own system that keeps c around cause it's useful, it's always pronounced like "ch" /tʃ/
Cēri caps cú cåki cēz.