I like this idea from Cory Doctorow, but monopolies tend to like exploiting their monopoly position. Still, it might be a way for Amazon to get around being scrutinised closely by regulators?

But what if buying local was as easy as shopping as Amazon? What if you could buy local while shopping on Amazon?
Source: View a SKU. Let’s Make Amazon Into a Dumb Pipe | by Cory Doctorow | Medium