@Puffy: If Sony and M$ were flat individually and Nintendo up, then there's no spin.
If Sony was down, M$ up and Nintendo up, then there's a spin, since two instances contributed to the growth.
Of course, this is a pretty standard way of looking at it, since all the companies make the spin.
Ei Kiinasti.
Eikä Japanisti.
Vaan pannaan jalalla koreasti.
Nintendo games sell only on Nintendo system.