Earlier today, we told you about Microsoft’s leak of the Web site Socl.com, which caused all sorts of chatter about the company’s upcoming efforts in social search. But now another domain name purchase by the software giant is fueling a frenzy. Microsoft has purchased the domain names microsoft-sony.com and sony-microsoft.com, according to WinRumors.

What does it mean?

Engadget speculates that a Sony-Ericsson Windows Phone 7 device might be in the works or even a PlayBox 720, and there’s all sorts of thoeries on the NeoGaf site which discovered the Microsoft ownership of the domains.

Typing microsoft-sony.com into a Web browser redirects users to a search result page from Bing, so there aren’t too many clues there.

A partnership of some sort in the video game arena would be especially interesting where the two companies have battled for years for market share. In fact, a new report out this week from the NPD Group found that Xbox 360 registered its sixth straight month as the leading gaming console, with 507,000 consoles sold.


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