There is definitely a correlation between the connectedness of the world and the amount/speed of language development. People in the past probably diverged from

There is definitely a correlation between the connectedness of the world and the amount/speed of language development. People in the past probably diverged from the language they started with because of physical isolation/distance between towns/settlements. I wonder, if skipped forward a few thousands of years into the future, how the data changes - would we end up with only a few languages or maybe even one after a while?