[brudgers]

Just a thought, but I seem to recall that Google was giving higher rankings to sites that advocated upgrading to Chrome, and created a bit of embarrassment.

Given that Kogan.com advocates upgrading and all the linking to their website which occurred recently, perhaps it seems possible that a Microsoft algorithm designed to avoid similar SEO manipulation was triggered.

In other words, the way in which the Kogan.com story unfolded was sufficiently similar to the PR move by Google, that it triggered a Microsoft safeguard.

http://www.pcworld.com/article/247257/google_disciplines_its...

[chrislomax]

They did this to themselves as it's against their guidelines to pay for page ranked incoming links. It was simply because in the end they were paying for the link to their site