There's no trick. They're just continuing their mission, to collect all the information in the world. They're getting enough money from shares and adwords.. (they only give away 78,5% to AdSense publisher), so I'm sure they don't have cash problems.. Don't worry, wolfgang, Google won't crash because of Analytics, so feel free to sign-up for an account

I've just received my invitation code 2 days ago.

haha, googlenalaytics r0xx0rz :^)