With Bitcoin you can conduct transactions all over the world extremely fast at extremely low cost, guaranteeing privacy and high security. What's special, besides buying, you can create your own Bitcoin yourself thanks to a powerful enough computer.
Yes you are right you can easily transfer it all over the world very fast and at low cost. Many countries like Pakistan do not have any other facility like paypal etc so bitcoin is ray of hope for people like us to trade or transfer all over the world freely. Bitcoin is the freedom.