With Bitcoin you can pay money directly to anyone around the world, 24/7, without any intermediaries, with almost no fees.
Anyone around the world can receive payments from you, they don't need a bank to open an account. They only need an Internet connection and a device connected to it.
In the same way, you can get paid money from all around the world, with no merchant fees, actually receiving Bitcoin is free as the mining fees are paid by the sender.
Also, it is completely transparent. Every single transaction since Genesis can be looked up.
It's really a game changer.