As far as I know there are only two situations where b commonly refers to bits: individual raw DRAM / Flash chip packages, and network channel bandwidth. Otherw

As far as I know there are only two situations where b commonly refers to bits: individual raw DRAM / Flash chip packages, and network channel bandwidth. Otherwise it rather unambiguously refers to bytes. On the other hand the G is actually ambiguous -- is it 10^9 or 2^30?