Microsoft registers odd Sony-related domains

Here's a strange little blip which may mean nothing at all. Superannuation has turned up a pair of domain registrations, Sony-Microsoft.com and Microsoft-Sony.com, both made by Microsoft itself.

It may be just a guard against squatters and impersonators, but feel free to speculate on a collaboration between the two giants, perhaps outside the games side of things, where the rivalry between the two pales in comparison to their joint battle against Apple.