If the electoral college ever had a valid use, then that validity ended with the invention of long-distance communications. This is a good video explaining why it made some sense when the US Constitution was being written, but not today.
Did you ever wonder why everyone in the USA hates their congressional representation as a whole, even though we all had a chance to vote for them in our own districts? One huge reason is gerrymandering, which is a devious method that political incumbents use to take away the power of our individual votes. This video provides a good explanation of how gerrymandering happens, and why it is so easy for incumbent politicians to exploit.
Do you ever wonder why you only have two candidates, from two major parties, to ever choose from? This video explains why, and hints about how we can fix it.