Google wants to know what you’re printing

“Google Cloud Print is a web service offered by Google. We expect other entities to provide their own cloud print services as well. Users associate printers with their Google Account via the service. Printers are treated in much the same way as documents are in Google Docs. Therefore, it is very easy to share printers with your coworkers, friends, and family anywhere in the world”. More at Google Code. A world wide network of printers: prInternet. What about privacy?