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If you are traveling and lose your credit card, but in a country that has a reasonably active Bitcoin scene, you can sell some BTC to pay bills while "over there".
This may become an issue for us.
Here is a case for having an online wallet, "travels anywhere".
Many advantages we can have if we owning bitcoin. Beside what you mention, bitcoin now become most popular invesment because can give gain more than 1000% on last year.