I've always wondered why is it we never see something like a 96GB SD card, but always double? When you're working at that size, it would seem logical to me to

I've always wondered why is it we never see something like a 96GB SD card, but always double? When you're working at that size, it would seem logical to me to go from 64GB to 96GB, than to 128GB. Anyone know the answer? I suspect it's to do with some addressing mechanism.