All their ducks are in a row. Google Adwords, Google SEO Forums, Google Chrome (the browser I'm using to type this on a webmaster forum), Gmail (the email I use to communicate with webmasters), and Google Analytics (the stats software I use to monitor my sites), Google Webmaster Tools (requires you verify ownership of a site).
They literally KNOW EVERYTHING you're doing. They don't even have to guess. It's right there for them to see. You're playing poker against them, and they're looking at your hand.
Should we be worried?
