We're more accustomed to ignoring flashing ads saying "your computer is infected!" but Google's hoping people will pay attention once they start advertising the state of your computer's health at the top of Google search pages. [Google Blog]
We've heard that Apple's so secretive that it fires people just for mentioning product codenames, but Google might not be much more lenient either. Supposedly the search engine giant fires "an average of two people" per month for leaking secrets.