I think it's the colors that bring this thought to mind, I had the same thought. To be fair they already had those colors before: http://www.littlegreenrobot.co.uk/wp-content/uploads/2011/11...

I think more Microsoft-influenced. The move to the clean typography of "Metro"/"Modern" Windows 8 interface is propagating elsewhere.

with a dash of Microsoft's new logo. They're all moving toward a plain, simpler design.