There are now about 3300 different human "language families" in the whole world. assume that all these are derived from a single original language, and that a language family develops into 1.42 language families every 5960 years. about how long ago was the single original human language spoken?

I'd say about 9,600 BCE or to be blunt the stone age

1one sharp difficulty presented itself. in the intervening twenty-five years my name had become reasonably well known.2 this being so, my trip demanded that i leave my name and my identity at home.3 i had to go alone and i had to be self-contained, a kind of casual turtle carrying his house on his back.4 with all this in mind i wrote to the head office of a great corporation which manufactures trucks.

Keep the wheels turning and face frontwards.