If you travel to another company, you can transfer a large amount of money or just carry a paper wallet or hardware wallet, and avoid exorbitant amount of fees dealing with international banks, atm withdrawals, or currency exchangers.
If you have a sick or needy uncle in Africa, Antartica, or Asia, you can remit money worldwide in literally minutes. No need to wait for Western Union and deal with their ridiculous fee structure and wait time which can range from minutes to multiple days.
All for small transaction fees ranging from a few cents to a few bucks.
If you're a big Amazon user, then I'd highly recommend
https://purse.io/20% savings for buying things in Bitcoin, and you get to sell your Amazon gift cards for Bitcoin. Like a marketplace, matching buyers and sellers Amazon Wishlists, but with Bitcoin as a medium instead of money or gift cards.