This is the only real answer. You wouldn't buy a 29.8GB stick of RAM, and because of the addressing it wouldn't work very well. But marketers can get away with

This is the only real answer. You wouldn't buy a 29.8GB stick of RAM, and because of the addressing it wouldn't work very well. But marketers can get away with a 29.8GB stick of flash, so they do and sell that as 32GB.