reseller - 6:14 am on Apr 5, 2008 (gmt 0)

As clickfire mentioned correctly, Matt Cutts wrote on Sphinn [sphinn.com]

I desphinned because the title says "Google Confirms Algorithm Change" and I didn't. Here's what I said over on the SERoundtable post: "Just to be clear, the reason that I asked people to send in queries was because we *were not* seeing major differences between data centers. So this is more for seeing what people are talking about and less for collecting feedback on some big update."