Savor that wild, unmetered American Internet while it lasts. With the two largest ISPs in the US, AT&T and Comcast, already imposing bandwidth caps on their subscribers, and companies like Time Warner toying with the idea of metering, the days of all-you-can-eat Internet could be coming to an end. For now, the ceilings remain relatively high, typically between 100 and 250 GB a month. But there’s no guarantee that those numbers won’t shrink or—more likely—fail to scale as our bandwidth hunger grows. Just ask our friends up north: After a ruling by Canada’s regulatory agency last year...