Speedmaster_7 - 5:38 pm on Aug 15, 2011 (gmt 0)

@Lenny2 I'm seeing the same trend as well. The timing jives with what the Google Analytics blog post says, but the blog post also says more users will see a 1% change, not a 30%/50% change like we're seeing. Also, I'm seeing a similar trend in Google Adwords and comparison shopping referrals.