Last week I ran a poetry contest. The entries came from all over the world (I can only assume, I did not actually ask where anybody was from). At the end of the contest I was able to send a little bit of money to about ten different people I had never met before and all I had to identify them was a single string of characters, the money was sent instantly for an a "generous" fee of the equivalent of 0.1 USD. You don't see how bitcoins are useful? Maybe I could have sent them cash in the mail ... 0.41 usd each for the postage, but wait I don't have addresses for them, I could ask for their mailing address, but no, they would not want to give me (an anonymous guy on the internet) that information, so my giveaway would have failed.
My immediate question is: What in the world will those people do with Bitcoin?
I know decent God-fearin' American patriots would rather burn the American flag than take part in a poetry contest, but you must have had some real live Al-Qaeda type international terrorists! I mean, all of these people had Bitcoin addys & used Bitcoin already? And they lived all around the world? You're pulling my leg! Not a single one of them waxed poetically "[TL;DR] WTF is Bitcoin"? Amazing.
But let's assume these folks had Bitcoin wallets & knew how to use them ( having texted "BRB, wallet synching" to their respective muses, putting poesy distillation on hold), where in the world will they spend those tips?!
As part of submitting poems they were asked to provide a bitcoin address, so it looks like all of them had bitcoin address at hand and easily accessible. And why not? Even if you use a paper wallet it does not hurt to have the bitcoin address sitting in lots of places so you can hand it out to anybody who asks. I didn't have anybody asking what a bitcoin is, but being on the bitcoin forum if they had not gotten that far they would not have found my poetry contest either.