Stripe's Will Gaybrick says AI agents will navigate the internet like hummingbirds, and that's what will make microtransactions work: "If you're trying to sell an article, you're always gonna be squeezed between the subscriber business model and the free business model... I think that was probably true in the past." "As you give agents more complex tasks, you want them to be these little hummingbirds, going around the internet, just slurping up a little data here... doing a little compute…