It's certainly a bad technical measure, but then stacks of CDROMs could all be super sparsely populated, those human capillaries going around the world are stretchy, etc. I think it's a reasonable metric for huge quantities of data when communicating to the general public - you can specify the movie to narrow it too.
So "the LHC produces 90 Petabytes of data per year, that's the same amount of data as streaming Avengers Endgame in 4K high-definition 40 million times! Bet their ISP wishes they hadn't offered them the unlimited data package!!" yadda-yadda?
So "the LHC produces 90 Petabytes of data per year, that's the same amount of data as streaming Avengers Endgame in 4K high-definition 40 million times! Bet their ISP wishes they hadn't offered them the unlimited data package!!" yadda-yadda?