How long until Microsoft pulls the plug on the SkipRearm hack?

It's unlikely that Microsoft is going to allow people to go for a year without activating Windows - so how until it pulls the plug on the SkipRearm hack?

A hack has come to light (details here) that allows Vista to be run for about a year without activating using a documented Microsoft technique (although Microsoft claims that this trick is a "hack").

It's unlikely that Microsoft will allow this method to continue to be used in this way.  A change to the way that WGA works will easily pick up on this.  So how long until Microsoft does this?

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