How to interpret F18 Blocker criterion

[Matěj Cepl]

On Tue, 06 Nov 2012 12:00:09 -0800, Adam Williamson wrote:
> Fact is, a _lot_ of people still dual boot with Windows, because they're
> not sure they want to switch 100% to Linux, or they still need to run
> some apps on Windows, or they want to play games, or whatever. Is anyone
> seriously doubting it's a common and important use case?

I DO NOT object to this statement, but I am just curious, whether you 
have any recent data supporting it. Could smolt register and collect 
information about this (it should be able to read grub2 configuration, 
shouldn't it)?

Matěj