"Apple should lead the way and come out against bandwidth caps. Given that many of the offerings on the iTunes store actually compete with cable TV, Apple should be vigilant that cable companies do not use bandwidth metering as a way to stifle alternative ways of viewing content. Additionally, Apple should add a bandwidth meter to the Airport routers; that way the bandwidth use of entire households can be tracked. If bandwidth caps are inevitable, Apple can arm the consumer with data to monitor their usage and dispute discrepancies with their ISP."
Awesome article & is applicable to any OS — not just Apple's …