Earlier quoted context omitted.
Tips are cool, but a browser-based micro-payments setup will create a more consistent alternative revenue stream.
People have been beating the micro-payments horse since at least the late '90s. I don't get it, at all. No one likes turning every action into a financial decision. History has shown that buffet-style pricing (Netflix, Spotify, et al) is much more appetizing - because you only have to make the decision ONCE. There is no financial pain for consuming content.
Netflix is a good example of buffet-style offerings, but you have to remember that Netflix was born out of cable, which is a much better example of buffet-style, and was largely despised because it was buffet-style. People hated paying for dozens of channels when they only wanted sports.
I would add a caveat to this that people like paying a low price for a lot of content. If the price of a buffet is too high, then people will start to ask why they can't just pay for the small amount of food or content that they want to consume.