There were many lingua francas of which French was supposedly the first global lingua franca. That changed and it became English (from what I understand). We will probably see another language become the lingua franca, so my question is: should it be English? Are there better candidates out there? Why / why not?
Let’s switch to (a) sign language.
No more long-winded politicians. Their arms will get tired too fast. And, no more edgy podcasts, because no podcasts will be possible.