What did the old stone age do?

Do you mean what did the Paleolithic people do , or Old Stone Age People do ? If you want information on them then they made shelter out of animal hides or used caves for shelter . They also used rock or other material they found a wrote on walls . They Hunted and Gathered food , (They were known as Hunter-Gatherers Hunter-Gatherers hunted food with their weapons or what they used , and ate animals raw . They also Gathered food like berries , ect .