This seems like a very good use case for BTC, or some other cryptocurrency. One of the reasons micropayments are so hard to do is you need a payment processor t

This seems like a very good use case for BTC, or some other cryptocurrency. One of the reasons micropayments are so hard to do is you need a payment processor to transfer the money, and authorizing the payment and coordinating it is a big pain in the ass. But with BTC, you could, in theory, press a "tip" button and immediately authorize a small transfer.