>http://en.wikipedia.org/wiki/Binary_prefix
>
>Summary: A KiB (kibiByte) is 1024 Bytes ("binary kilo"), a MiB (mebibyte) is 1024 Bytes ("binary mega"), etc.
>
>This is new terminology for me - just read it on the Wikipedia yesterday. It seems terms such as mebibyte and gibibyte were proposed by a certain IEC, and already adopted by some influential organizations such as IEEE.
>
>It seems a good idea to introduce new (unambiguous) terms, to avoid certain confusions that arose with the old terms.

Too bad, if this becomes standard they won't be able to overstate the size of the disk they're trying to sell to you.