how can we live without the ?

many questions comes to our mind , like how can we live without the Internet ? what will happened to the communications between people any shares markets without Internet ? how can we live without the oil ? solar cells still not enough to produce power for factories and industries ... maybe not now but may find new source for energy which we all hope before the oil run out ( because it's limited ) ,,,

how can we live without each other ? every country want to eliminate the other , every human has enemy , we complete each other , we are enemy of our selves ... maybe that just how the humans are