irishsolar - 11:12 am on Apr 15, 2012 (gmt 0)

@petehall I had starting to think that it was possible that these updates were being rolled out 1 niche at a time.

What you've noticed may confirm that Google are watching closely what this update is doing 1 industry at a time...as you suggest. This could be good news (or at least not the usual bad news).