We've evolved over millions of years to sense the world around us. We use our five natural senses to perceive information. But the huge amount of information mankind has accumulated and stored online cannot be perceived by these senses.
Historically, philanthropy has been something that you do when you turn 65, and you are retired, and you have spent your life accumulating your financial resources, and now you finally have time to do it. But because of the Internet revolution, that in turn revolutionized economic growth and wealth generation.