You are technically correct, which is the best kind of correct. Nobody buys GB of traffic wholesale, they buy TB of traffic because a GB is literally a rounding

You are technically correct, which is the best kind of correct. Nobody buys GB of traffic wholesale, they buy TB of traffic because a GB is literally a rounding error. What you probably meant to say was that wholesale bandwith is usually puchased by the Mbps on a 95th percentile billing, although you can alternatively buy by the TB from some providers.